15000001375264 has 24 divisors (see below), whose sum is σ = 29555126069868. Its totient is φ = 7493937611520.

The previous prime is 15000001375259. The next prime is 15000001375313. The reversal of 15000001375264 is 46257310000051.

It can be written as a sum of positive squares in 2 ways, for example, as 14454382779664 + 545618595600 = 3801892^2 + 738660^2 .

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 3 ways as a sum of consecutive naturals, for example, 189430927 + ... + 189510094.

Almost surely, 2^{15000001375264} is an apocalyptic number.

It is an amenable number.

15000001375264 is a deficient number, since it is larger than the sum of its proper divisors (14555124694604).

15000001375264 is a wasteful number, since it uses less digits than its factorization.

15000001375264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378942268 (or 378942260 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The spelling of 15000001375264 in words is "fifteen trillion, one million, three hundred seventy-five thousand, two hundred sixty-four".