15151116556 has 24 divisors (see below), whose sum is σ = 26928195840. Its totient is φ = 7457497872.

The previous prime is 15151116551. The next prime is 15151116587. The reversal of 15151116556 is 65561115151.

It is a super-2 number, since 2×15151116556² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (15151116551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 399681 + ... + 435943.

It is an arithmetic number, because the mean of its divisors is an integer number (1122008160).

Almost surely, 2^15151116556 is an apocalyptic number.

It is an amenable number.

15151116556 is a deficient number, since it is larger than the sum of its proper divisors (11777079284).

15151116556 is a wasteful number, since it uses less digits than its factorization.

15151116556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37893 (or 37891 counting only the distinct ones).

The product of its digits is 22500, while the sum is 37.

The spelling of 15151116556 in words is "fifteen billion, one hundred fifty-one million, one hundred sixteen thousand, five hundred fifty-six".