56031251051 has 4 divisors (see below), whose sum is σ = 56031877704. Its totient is φ = 56030624400.

The previous prime is 56031251033. The next prime is 56031251057. The reversal of 56031251051 is 15015213065.

56031251051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 15015213065 = 5 ⋅3003042613.

It is a cyclic number.

It is not a de Polignac number, because 56031251051 - 2¹⁰ = 56031250027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56031251057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151265 + ... + 367346.

It is an arithmetic number, because the mean of its divisors is an integer number (14007969426).

Almost surely, 2^56031251051 is an apocalyptic number.

56031251051 is a deficient number, since it is larger than the sum of its proper divisors (626653).

56031251051 is a wasteful number, since it uses less digits than its factorization.

56031251051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626652.

The product of its (nonzero) digits is 4500, while the sum is 29.

The spelling of 56031251051 in words is "fifty-six billion, thirty-one million, two hundred fifty-one thousand, fifty-one".