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11124441131 = 95211168411
BaseRepresentation
bin10100101110001000…
…11000000000101011
31001201021121011101012
422113010120000223
5140240324104011
65035511214135
7542450121656
oct122704300053
931637534335
1011124441131
114799503301
1221a567734b
131083947b5b
1477762489d
15451970a8b
hex29711802b

11124441131 has 4 divisors (see below), whose sum is σ = 11125619064. Its totient is φ = 11123263200.

The previous prime is 11124441103. The next prime is 11124441143. The reversal of 11124441131 is 13114442111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13114442111 = 105112478061.

It is a cyclic number.

It is not a de Polignac number, because 11124441131 - 26 = 11124441067 is a prime.

It is a super-2 number, since 2×111244411312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11124441097 and 11124441106.

It is not an unprimeable number, because it can be changed into a prime (11124441101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 574685 + ... + 593726.

It is an arithmetic number, because the mean of its divisors is an integer number (2781404766).

Almost surely, 211124441131 is an apocalyptic number.

11124441131 is a deficient number, since it is larger than the sum of its proper divisors (1177933).

11124441131 is an equidigital number, since it uses as much as digits as its factorization.

11124441131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1177932.

The product of its digits is 384, while the sum is 23.

Adding to 11124441131 its reverse (13114442111), we get a palindrome (24238883242).

The spelling of 11124441131 in words is "eleven billion, one hundred twenty-four million, four hundred forty-one thousand, one hundred thirty-one".

Divisors: 1 9521 1168411 11124441131