15014717985 has 64 divisors (see below), whose sum is σ = 26863729920. Its totient is φ = 7116595200.

The previous prime is 15014717957. The next prime is 15014718007. The reversal of 15014717985 is 58971741051.

It is not a de Polignac number, because 15014717985 - 2⁷ = 15014717857 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1511535 + ... + 1521435.

It is an arithmetic number, because the mean of its divisors is an integer number (419745780).

Almost surely, 2^15014717985 is an apocalyptic number.

15014717985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15014717985 is a deficient number, since it is larger than the sum of its proper divisors (11849011935).

15014717985 is a wasteful number, since it uses less digits than its factorization.

15014717985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10258.

The product of its (nonzero) digits is 352800, while the sum is 48.

The spelling of 15014717985 in words is "fifteen billion, fourteen million, seven hundred seventeen thousand, nine hundred eighty-five".