57013181785 has 32 divisors (see below), whose sum is σ = 81663909120. Its totient is φ = 37393373952.

The previous prime is 57013181681. The next prime is 57013181837. The reversal of 57013181785 is 58718131075.

It is a cyclic number.

It is not a de Polignac number, because 57013181785 - 2²³ = 57004793177 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 296694 + ... + 449503.

It is an arithmetic number, because the mean of its divisors is an integer number (2551997160).

Almost surely, 2^57013181785 is an apocalyptic number.

It is an amenable number.

57013181785 is a deficient number, since it is larger than the sum of its proper divisors (24650727335).

57013181785 is a wasteful number, since it uses less digits than its factorization.

57013181785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746305.

The product of its (nonzero) digits is 235200, while the sum is 46.

The spelling of 57013181785 in words is "fifty-seven billion, thirteen million, one hundred eighty-one thousand, seven hundred eighty-five".