150015601556 has 24 divisors (see below), whose sum is σ = 264006960000. Its totient is φ = 74585500704.

The previous prime is 150015601537. The next prime is 150015601609. The reversal of 150015601556 is 655106510051.

It is a super-2 number, since 2×150015601556² (a number of 23 digits) contains 22 as substring.

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, 1272065 + ... + 1384983.

It is an arithmetic number, because the mean of its divisors is an integer number (11000290000).

Almost surely, 2^150015601556 is an apocalyptic number.

It is an amenable number.

150015601556 is a deficient number, since it is larger than the sum of its proper divisors (113991358444).

150015601556 is a wasteful number, since it uses less digits than its factorization.

150015601556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114791 (or 114789 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 35.

The spelling of 150015601556 in words is "one hundred fifty billion, fifteen million, six hundred one thousand, five hundred fifty-six".