15155472732 has 96 divisors (see below), whose sum is σ = 38825075520. Its totient is φ = 4579921920.

The previous prime is 15155472713. The next prime is 15155472743. The reversal of 15155472732 is 23727455151.

It is a happy number.

15155472732 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2724498 + ... + 2730054.

It is an arithmetic number, because the mean of its divisors is an integer number (404427870).

Almost surely, 2^15155472732 is an apocalyptic number.

15155472732 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15155472732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19412537760).

15155472732 is an abundant number, since it is smaller than the sum of its proper divisors (23669602788).

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

15155472732 is a wasteful number, since it uses less digits than its factorization.

15155472732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6071 (or 6069 counting only the distinct ones).

The product of its digits is 294000, while the sum is 42.

The spelling of 15155472732 in words is "fifteen billion, one hundred fifty-five million, four hundred seventy-two thousand, seven hundred thirty-two".