57612749311 has 4 divisors (see below), whose sum is σ = 62044499272. Its totient is φ = 53180999352.

The previous prime is 57612749279. The next prime is 57612749333. The reversal of 57612749311 is 11394721675.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 57612749311 - 2⁵ = 57612749279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57612749351) 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, 2215874961 + ... + 2215874986.

It is an arithmetic number, because the mean of its divisors is an integer number (15511124818).

Almost surely, 2^57612749311 is an apocalyptic number.

57612749311 is a deficient number, since it is larger than the sum of its proper divisors (4431749961).

57612749311 is a wasteful number, since it uses less digits than its factorization.

57612749311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4431749960.

The product of its digits is 317520, while the sum is 46.

The spelling of 57612749311 in words is "fifty-seven billion, six hundred twelve million, seven hundred forty-nine thousand, three hundred eleven".