56105000100005 has 32 divisors (see below), whose sum is σ = 70941100478976. Its totient is φ = 42512217225984.

The previous prime is 56105000099999. The next prime is 56105000100029. The reversal of 56105000100005 is 50000100050165.

56105000100005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56105000100005 is a prime.

It is a super-2 number, since 2×56105000100005² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 149213219 + ... + 149588751.

It is an arithmetic number, because the mean of its divisors is an integer number (2216909389968).

Almost surely, 2^{56105000100005} is an apocalyptic number.

It is an amenable number.

56105000100005 is a deficient number, since it is larger than the sum of its proper divisors (14836100378971).

56105000100005 is a wasteful number, since it uses less digits than its factorization.

56105000100005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388277.

The product of its (nonzero) digits is 750, while the sum is 23.

The spelling of 56105000100005 in words is "fifty-six trillion, one hundred five billion, one hundred thousand, five".