57618031811 has 16 divisors (see below), whose sum is σ = 60333124704. Its totient is φ = 54972774144.

The previous prime is 57618031777. The next prime is 57618031871. The reversal of 57618031811 is 11813081675.

57618031811 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57618031811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57618031871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 405620 + ... + 528926.

It is an arithmetic number, because the mean of its divisors is an integer number (3770820294).

Almost surely, 2^57618031811 is an apocalyptic number.

57618031811 is a deficient number, since it is larger than the sum of its proper divisors (2715092893).

57618031811 is a wasteful number, since it uses less digits than its factorization.

57618031811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123590.

The product of its (nonzero) digits is 40320, while the sum is 41.

The spelling of 57618031811 in words is "fifty-seven billion, six hundred eighteen million, thirty-one thousand, eight hundred eleven".