56105111055101 has 4 divisors (see below), whose sum is σ = 56257986017472. Its totient is φ = 55952236092732.

The previous prime is 56105111055089. The next prime is 56105111055197. The reversal of 56105111055101 is 10155011150165.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56105111055101 - 2⁴² = 51707064543997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56105111055901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76437480635 + ... + 76437481368.

It is an arithmetic number, because the mean of its divisors is an integer number (14064496504368).

Almost surely, 2^{56105111055101} is an apocalyptic number.

It is an amenable number.

56105111055101 is a deficient number, since it is larger than the sum of its proper divisors (152874962371).

56105111055101 is a wasteful number, since it uses less digits than its factorization.

56105111055101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152874962370.

The product of its (nonzero) digits is 3750, while the sum is 32.

The spelling of 56105111055101 in words is "fifty-six trillion, one hundred five billion, one hundred eleven million, fifty-five thousand, one hundred one".