56858361011 has 4 divisors (see below), whose sum is σ = 56861629224. Its totient is φ = 56855092800.

The previous prime is 56858360981. The next prime is 56858361047. The reversal of 56858361011 is 11016385865.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11016385865 = 5 ⋅2203277173.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56858361011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56858361071) 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, 1607870 + ... + 1642851.

It is an arithmetic number, because the mean of its divisors is an integer number (14215407306).

Almost surely, 2^56858361011 is an apocalyptic number.

56858361011 is a deficient number, since it is larger than the sum of its proper divisors (3268213).

56858361011 is a wasteful number, since it uses less digits than its factorization.

56858361011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3268212.

The product of its (nonzero) digits is 172800, while the sum is 44.

The spelling of 56858361011 in words is "fifty-six billion, eight hundred fifty-eight million, three hundred sixty-one thousand, eleven".