56505157155059 has 24 divisors (see below), whose sum is σ = 60263686164000. Its totient is φ = 52969489035264.

The previous prime is 56505157155043. The next prime is 56505157155077. The reversal of 56505157155059 is 95055175150565.

It is not a de Polignac number, because 56505157155059 - 2⁴ = 56505157155043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56505157154989 and 56505157155007.

It is not an unprimeable number, because it can be changed into a prime (56505157155859) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 436899587 + ... + 437028899.

It is an arithmetic number, because the mean of its divisors is an integer number (2510986923500).

Almost surely, 2^{56505157155059} is an apocalyptic number.

56505157155059 is a deficient number, since it is larger than the sum of its proper divisors (3758529008941).

56505157155059 is a wasteful number, since it uses less digits than its factorization.

56505157155059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135359 (or 135342 counting only the distinct ones).

The product of its (nonzero) digits is 29531250, while the sum is 59.

The spelling of 56505157155059 in words is "fifty-six trillion, five hundred five billion, one hundred fifty-seven million, one hundred fifty-five thousand, fifty-nine".