151572871515 has 32 divisors (see below), whose sum is σ = 268230424896. Its totient is φ = 72603717120.

The previous prime is 151572871433. The next prime is 151572871523. The reversal of 151572871515 is 515178275151.

It is not a de Polignac number, because 151572871515 - 2⁹ = 151572871003 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10496796 + ... + 10511225.

It is an arithmetic number, because the mean of its divisors is an integer number (8382200778).

Almost surely, 2^151572871515 is an apocalyptic number.

151572871515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

151572871515 is a deficient number, since it is larger than the sum of its proper divisors (116657553381).

151572871515 is a wasteful number, since it uses less digits than its factorization.

151572871515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21008079.

The product of its digits is 490000, while the sum is 48.

The spelling of 151572871515 in words is "one hundred fifty-one billion, five hundred seventy-two million, eight hundred seventy-one thousand, five hundred fifteen".