56510650115105 has 4 divisors (see below), whose sum is σ = 67812780138132. Its totient is φ = 45208520092080.

The previous prime is 56510650115033. The next prime is 56510650115131. The reversal of 56510650115105 is 50151105601565.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 39937837090321 + 16572813024784 = 6319639^2 + 4070972^2 .

It is not a de Polignac number, because 56510650115105 - 2¹⁰ = 56510650114081 is a prime.

It is a super-2 number, since 2×56510650115105² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5651065011506 + ... + 5651065011515.

It is an arithmetic number, because the mean of its divisors is an integer number (16953195034533).

Almost surely, 2^{56510650115105} is an apocalyptic number.

It is an amenable number.

56510650115105 is a deficient number, since it is larger than the sum of its proper divisors (11302130023027).

56510650115105 is a wasteful number, since it uses less digits than its factorization.

56510650115105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11302130023026.

The product of its (nonzero) digits is 112500, while the sum is 41.

The spelling of 56510650115105 in words is "fifty-six trillion, five hundred ten billion, six hundred fifty million, one hundred fifteen thousand, one hundred five".