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1104442111421 = 11811730716943
BaseRepresentation
bin10000000100100101111…
…000010011010110111101
310220120202110200102000222
4100010211320103112331
5121043344140031141
62203212415231125
7142536051023465
oct20044570232675
93816673612028
101104442111421
11396433863060
1215a06b5184a5
13801c1193b7c
143b653424ba5
151dae095714b
hex10125e135bd

1104442111421 has 16 divisors (see below), whose sum is σ = 1206567871488. Its totient is φ = 1002603841200.

The previous prime is 1104442111411. The next prime is 1104442111469. The reversal of 1104442111421 is 1241112444011.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1104442111421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1104442111411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65177276 + ... + 65194218.

It is an arithmetic number, because the mean of its divisors is an integer number (75410491968).

Almost surely, 21104442111421 is an apocalyptic number.

1104442111421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1104442111421 is a deficient number, since it is larger than the sum of its proper divisors (102125760067).

1104442111421 is a wasteful number, since it uses less digits than its factorization.

1104442111421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25072.

The product of its (nonzero) digits is 1024, while the sum is 26.

Adding to 1104442111421 its reverse (1241112444011), we get a palindrome (2345554555432).

The spelling of 1104442111421 in words is "one trillion, one hundred four billion, four hundred forty-two million, one hundred eleven thousand, four hundred twenty-one".

Divisors: 1 11 811 7307 8921 16943 80377 186373 5925977 13740773 65185747 123802501 151148503 1361827511 100403828311 1104442111421