57531011251603 has 4 divisors (see below), whose sum is σ = 57569390847000. Its totient is φ = 57492631656208.

The previous prime is 57531011251559. The next prime is 57531011251619. The reversal of 57531011251603 is 30615211013575.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57531011251603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57531011051603) 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, 19189795450 + ... + 19189798447.

It is an arithmetic number, because the mean of its divisors is an integer number (14392347711750).

Almost surely, 2^{57531011251603} is an apocalyptic number.

57531011251603 is a deficient number, since it is larger than the sum of its proper divisors (38379595397).

57531011251603 is a wasteful number, since it uses less digits than its factorization.

57531011251603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38379595396.

The product of its (nonzero) digits is 94500, while the sum is 40.

The spelling of 57531011251603 in words is "fifty-seven trillion, five hundred thirty-one billion, eleven million, two hundred fifty-one thousand, six hundred three".