15103027072 has 64 divisors (see below), whose sum is σ = 34429528800. Its totient is φ = 6464600064.

The previous prime is 15103027039. The next prime is 15103027081. The reversal of 15103027072 is 27072030151.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 15103027072.

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, 732618 + ... + 752950.

Almost surely, 2^15103027072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15103027072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17214764400).

15103027072 is an abundant number, since it is smaller than the sum of its proper divisors (19326501728).

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

15103027072 is an equidigital number, since it uses as much as digits as its factorization.

15103027072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21183 (or 21171 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 28.

The spelling of 15103027072 in words is "fifteen billion, one hundred three million, twenty-seven thousand, seventy-two".