15396839056 has 45 divisors (see below), whose sum is σ = 30348813411. Its totient is φ = 7567138656.

The previous prime is 15396839039. The next prime is 15396839077. The reversal of 15396839056 is 65093869351.

It is a happy number.

The square root of 15396839056 is 124084.

It is a perfect power (a square), and thus also a powerful number.

15396839056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×15396839056² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15396838988 and 15396839006.

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 8 ways as a sum of consecutive naturals, for example, 33254281 + ... + 33254743.

Almost surely, 2^15396839056 is an apocalyptic number.

15396839056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

15396839056 is the 124084-th square number.

It is an amenable number.

15396839056 is a deficient number, since it is larger than the sum of its proper divisors (14951974355).

15396839056 is an frugal number, since it uses more digits than its factorization.

15396839056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068 (or 532 counting only the distinct ones).

The product of its (nonzero) digits is 5248800, while the sum is 55.

The spelling of 15396839056 in words is "fifteen billion, three hundred ninety-six million, eight hundred thirty-nine thousand, fifty-six".