57431127481 has 16 divisors (see below), whose sum is σ = 71193001600. Its totient is φ = 45113096448.

The previous prime is 57431127451. The next prime is 57431127491. The reversal of 57431127481 is 18472113475.

It is not a de Polignac number, because 57431127481 - 2²⁵ = 57397573049 is a prime.

It is a super-2 number, since 2×57431127481² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (57431127431) 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, 2257536 + ... + 2282833.

It is an arithmetic number, because the mean of its divisors is an integer number (4449562600).

Almost surely, 2^57431127481 is an apocalyptic number.

It is an amenable number.

57431127481 is a deficient number, since it is larger than the sum of its proper divisors (13761874119).

57431127481 is a wasteful number, since it uses less digits than its factorization.

57431127481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4540528.

The product of its digits is 188160, while the sum is 43.

The spelling of 57431127481 in words is "fifty-seven billion, four hundred thirty-one million, one hundred twenty-seven thousand, four hundred eighty-one".