57191140870 has 32 divisors (see below), whose sum is σ = 107000193888. Its totient is φ = 21989991168.

The previous prime is 57191140861. The next prime is 57191140873. The reversal of 57191140870 is 7804119175.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57191140873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 900439 + ... + 961858.

It is an arithmetic number, because the mean of its divisors is an integer number (3343756059).

Almost surely, 2^57191140870 is an apocalyptic number.

57191140870 is a deficient number, since it is larger than the sum of its proper divisors (49809053018).

57191140870 is a wasteful number, since it uses less digits than its factorization.

57191140870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1862424.

The product of its (nonzero) digits is 70560, while the sum is 43.

The spelling of 57191140870 in words is "fifty-seven billion, one hundred ninety-one million, one hundred forty thousand, eight hundred seventy".