15172557214 has 16 divisors (see below), whose sum is σ = 22795470000. Its totient is φ = 7574079744.

The previous prime is 15172557203. The next prime is 15172557251. The reversal of 15172557214 is 41275527151.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4786222 + ... + 4789390.

It is an arithmetic number, because the mean of its divisors is an integer number (1424716875).

Almost surely, 2^15172557214 is an apocalyptic number.

15172557214 is a deficient number, since it is larger than the sum of its proper divisors (7622912786).

15172557214 is a wasteful number, since it uses less digits than its factorization.

15172557214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6267.

The product of its digits is 98000, while the sum is 40.

The spelling of 15172557214 in words is "fifteen billion, one hundred seventy-two million, five hundred fifty-seven thousand, two hundred fourteen".