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1055574205881 = 31327066005279
BaseRepresentation
bin11110101110001010010…
…00000010010110111001
310201220121210002121001120
433113011020002112321
5114243303444042011
62124531334335453
7136156053464616
oct17270510022671
93656553077046
101055574205881
11377737136368
121506b17ba589
1378703b31230
14391391c950d
151c6d0687a06
hexf5c52025b9

1055574205881 has 8 divisors (see below), whose sum is σ = 1515696295680. Its totient is φ = 649584126672.

The previous prime is 1055574205877. The next prime is 1055574205951. The reversal of 1055574205881 is 1885024755501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1055574205881 - 22 = 1055574205877 is a prime.

It is a super-2 number, since 2×10555742058812 (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1055574205841) 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 7 ways as a sum of consecutive naturals, for example, 13533002601 + ... + 13533002678.

It is an arithmetic number, because the mean of its divisors is an integer number (189462036960).

Almost surely, 21055574205881 is an apocalyptic number.

It is an amenable number.

1055574205881 is a deficient number, since it is larger than the sum of its proper divisors (460122089799).

1055574205881 is a wasteful number, since it uses less digits than its factorization.

1055574205881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27066005295.

The product of its (nonzero) digits is 2240000, while the sum is 51.

The spelling of 1055574205881 in words is "one trillion, fifty-five billion, five hundred seventy-four million, two hundred five thousand, eight hundred eighty-one".

Divisors: 1 3 13 39 27066005279 81198015837 351858068627 1055574205881