57172071715 has 16 divisors (see below), whose sum is σ = 74852326656. Its totient is φ = 41574751200.

The previous prime is 57172071713. The next prime is 57172071751. The reversal of 57172071715 is 51717027175.

It is not a de Polignac number, because 57172071715 - 2¹ = 57172071713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57172071713) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 442834 + ... + 557176.

It is an arithmetic number, because the mean of its divisors is an integer number (4678270416).

Almost surely, 2^57172071715 is an apocalyptic number.

57172071715 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

57172071715 is a deficient number, since it is larger than the sum of its proper divisors (17680254941).

57172071715 is a wasteful number, since it uses less digits than its factorization.

57172071715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123450.

The product of its (nonzero) digits is 120050, while the sum is 43.

The spelling of 57172071715 in words is "fifty-seven billion, one hundred seventy-two million, seventy-one thousand, seven hundred fifteen".