56010015155 has 4 divisors (see below), whose sum is σ = 67212018192. Its totient is φ = 44808012120.

The previous prime is 56010015137. The next prime is 56010015161. The reversal of 56010015155 is 55151001065.

It is a happy number.

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

It is not a de Polignac number, because 56010015155 - 2¹² = 56010011059 is a prime.

It is a Duffinian 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, 5601001511 + ... + 5601001520.

It is an arithmetic number, because the mean of its divisors is an integer number (16803004548).

Almost surely, 2^56010015155 is an apocalyptic number.

56010015155 is a deficient number, since it is larger than the sum of its proper divisors (11202003037).

56010015155 is a wasteful number, since it uses less digits than its factorization.

56010015155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11202003036.

The product of its (nonzero) digits is 3750, while the sum is 29.

The spelling of 56010015155 in words is "fifty-six billion, ten million, fifteen thousand, one hundred fifty-five".