15255117616 has 40 divisors (see below), whose sum is σ = 29723097600. Its totient is φ = 7584736320.

The previous prime is 15255117593. The next prime is 15255117623. The reversal of 15255117616 is 61671155251.

15255117616 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 2×15255117616² (a number of 21 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 3098805 + ... + 3103723.

It is an arithmetic number, because the mean of its divisors is an integer number (743077440).

Almost surely, 2^15255117616 is an apocalyptic number.

15255117616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

15255117616 is a deficient number, since it is larger than the sum of its proper divisors (14467979984).

15255117616 is a wasteful number, since it uses less digits than its factorization.

15255117616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5977 (or 5971 counting only the distinct ones).

The product of its digits is 63000, while the sum is 40.

The spelling of 15255117616 in words is "fifteen billion, two hundred fifty-five million, one hundred seventeen thousand, six hundred sixteen".