57145812502 has 16 divisors (see below), whose sum is σ = 86114450880. Its totient is φ = 28441099008.

The previous prime is 57145812457. The next prime is 57145812583. The reversal of 57145812502 is 20521854175.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1140358 + ... + 1189414.

It is an arithmetic number, because the mean of its divisors is an integer number (5382153180).

Almost surely, 2^57145812502 is an apocalyptic number.

57145812502 is a deficient number, since it is larger than the sum of its proper divisors (28968638378).

57145812502 is a wasteful number, since it uses less digits than its factorization.

57145812502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51735.

The product of its (nonzero) digits is 112000, while the sum is 40.

The spelling of 57145812502 in words is "fifty-seven billion, one hundred forty-five million, eight hundred twelve thousand, five hundred two".