56103602311 has 24 divisors (see below), whose sum is σ = 59348136960. Its totient is φ = 53026776000.

The previous prime is 56103602309. The next prime is 56103602329. The reversal of 56103602311 is 11320630165.

It is not a de Polignac number, because 56103602311 - 2¹ = 56103602309 is a prime.

It is a super-2 number, since 2×56103602311² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56103602311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56173602311) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 43864570 + ... + 43865848.

It is an arithmetic number, because the mean of its divisors is an integer number (2472839040).

Almost surely, 2^56103602311 is an apocalyptic number.

56103602311 is a deficient number, since it is larger than the sum of its proper divisors (3244534649).

56103602311 is a wasteful number, since it uses less digits than its factorization.

56103602311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2247 (or 2224 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The spelling of 56103602311 in words is "fifty-six billion, one hundred three million, six hundred two thousand, three hundred eleven".