56520155151 has 12 divisors (see below), whose sum is σ = 81965487240. Its totient is φ = 37529982000.

The previous prime is 56520155137. The next prime is 56520155183. The reversal of 56520155151 is 15155102565.

56520155151 is a `hidden beast` number, since 5 + 6 + 52 + 0 + 1 + 551 + 51 = 666.

It is not a de Polignac number, because 56520155151 - 2¹⁵ = 56520122383 is a prime.

It is a super-2 number, since 2×56520155151² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56520155101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12507736 + ... + 12512253.

It is an arithmetic number, because the mean of its divisors is an integer number (6830457270).

Almost surely, 2^56520155151 is an apocalyptic number.

56520155151 is a deficient number, since it is larger than the sum of its proper divisors (25445332089).

56520155151 is a wasteful number, since it uses less digits than its factorization.

56520155151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25020246 (or 25020243 counting only the distinct ones).

The product of its (nonzero) digits is 37500, while the sum is 36.

The spelling of 56520155151 in words is "fifty-six billion, five hundred twenty million, one hundred fifty-five thousand, one hundred fifty-one".