15151513872 has 80 divisors (see below), whose sum is σ = 44077178880. Its totient is φ = 4443254400.

The previous prime is 15151513849. The next prime is 15151513901. The reversal of 15151513872 is 27831515151.

It is a super-2 number, since 2×15151513872² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 15151513872.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 446472 + ... + 479207.

It is an arithmetic number, because the mean of its divisors is an integer number (550964736).

Almost surely, 2^15151513872 is an apocalyptic number.

15151513872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15151513872 is an abundant number, since it is smaller than the sum of its proper divisors (28925665008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15151513872 is a wasteful number, since it uses less digits than its factorization.

15151513872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925732 (or 925726 counting only the distinct ones).

The product of its digits is 42000, while the sum is 39.

The spelling of 15151513872 in words is "fifteen billion, one hundred fifty-one million, five hundred thirteen thousand, eight hundred seventy-two".