56103111265 has 8 divisors (see below), whose sum is σ = 67326940008. Its totient is φ = 44880351360.

The previous prime is 56103111227. The next prime is 56103111331. The reversal of 56103111265 is 56211130165.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 28708558096 + 27394553169 = 169436^2 + 165513^2 .

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

It is not a de Polignac number, because 56103111265 - 2¹⁹ = 56102586977 is a prime.

It is a super-2 number, since 2×56103111265² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146796 + ... + 365725.

It is an arithmetic number, because the mean of its divisors is an integer number (8415867501).

Almost surely, 2^56103111265 is an apocalyptic number.

It is an amenable number.

56103111265 is a deficient number, since it is larger than the sum of its proper divisors (11223828743).

56103111265 is a wasteful number, since it uses less digits than its factorization.

56103111265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534419.

The product of its (nonzero) digits is 5400, while the sum is 31.

The spelling of 56103111265 in words is "fifty-six billion, one hundred three million, one hundred eleven thousand, two hundred sixty-five".