157572005015 has 16 divisors (see below), whose sum is σ = 190647540000. Its totient is φ = 125019445632.

The previous prime is 157572004979. The next prime is 157572005053. The reversal of 157572005015 is 510500275751.

It is a cyclic number.

It is not a de Polignac number, because 157572005015 - 2²⁴ = 157555227799 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 157572005015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 324536 + ... + 648434.

It is an arithmetic number, because the mean of its divisors is an integer number (11915471250).

Almost surely, 2^157572005015 is an apocalyptic number.

157572005015 is a deficient number, since it is larger than the sum of its proper divisors (33075534985).

157572005015 is a wasteful number, since it uses less digits than its factorization.

157572005015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324706.

The product of its (nonzero) digits is 61250, while the sum is 38.

The spelling of 157572005015 in words is "one hundred fifty-seven billion, five hundred seventy-two million, five thousand, fifteen".