15009749136 has 60 divisors (see below), whose sum is σ = 43361510400. Its totient is φ = 4841853120.

The previous prime is 15009749129. The next prime is 15009749141. The reversal of 15009749136 is 63194790051.

15009749136 is a `hidden beast` number, since 1 + 500 + 9 + 7 + 4 + 9 + 136 = 666.

15009749136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 15009749091 and 15009749100.

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 11 ways as a sum of consecutive naturals, for example, 1676736 + ... + 1685663.

It is an arithmetic number, because the mean of its divisors is an integer number (722691840).

Almost surely, 2^15009749136 is an apocalyptic number.

15009749136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

15009749136 is an abundant number, since it is smaller than the sum of its proper divisors (28351761264).

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

15009749136 is a wasteful number, since it uses less digits than its factorization.

15009749136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3362444 (or 3362435 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The spelling of 15009749136 in words is "fifteen billion, nine million, seven hundred forty-nine thousand, one hundred thirty-six".