57131535211 has 4 divisors (see below), whose sum is σ = 57226914000. Its totient is φ = 57036156424.

The previous prime is 57131535199. The next prime is 57131535229. The reversal of 57131535211 is 11253513175.

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

It is a cyclic number.

It is not a de Polignac number, because 57131535211 - 2²³ = 57123146603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57131535511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47688496 + ... + 47689693.

It is an arithmetic number, because the mean of its divisors is an integer number (14306728500).

Almost surely, 2^57131535211 is an apocalyptic number.

57131535211 is a deficient number, since it is larger than the sum of its proper divisors (95378789).

57131535211 is an equidigital number, since it uses as much as digits as its factorization.

57131535211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95378788.

The product of its digits is 15750, while the sum is 34.

The spelling of 57131535211 in words is "fifty-seven billion, one hundred thirty-one million, five hundred thirty-five thousand, two hundred eleven".