15103213056 has 60 divisors (see below), whose sum is σ = 43588908792. Its totient is φ = 5034402816.

The previous prime is 15103213043. The next prime is 15103213141. The reversal of 15103213056 is 65031230151.

It is a super-2 number, since 2×15103213056² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 1634196 + ... + 1643411.

Almost surely, 2^15103213056 is an apocalyptic number.

15103213056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

15103213056 is an abundant number, since it is smaller than the sum of its proper divisors (28485695736).

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

15103213056 is an equidigital number, since it uses as much as digits as its factorization.

15103213056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3277631 (or 3277612 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The spelling of 15103213056 in words is "fifteen billion, one hundred three million, two hundred thirteen thousand, fifty-six".