15073794500721 has 8 divisors (see below), whose sum is σ = 21925519273824. Its totient is φ = 9135633030720.

The previous prime is 15073794500711. The next prime is 15073794500759. The reversal of 15073794500721 is 12700549737051.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 15073794500721 - 2¹⁰ = 15073794499697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15073794500711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228390825736 + ... + 228390825801.

It is an arithmetic number, because the mean of its divisors is an integer number (2740689909228).

Almost surely, 2^{15073794500721} is an apocalyptic number.

15073794500721 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

15073794500721 is a deficient number, since it is larger than the sum of its proper divisors (6851724773103).

15073794500721 is a wasteful number, since it uses less digits than its factorization.

15073794500721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456781651551.

The product of its (nonzero) digits is 1852200, while the sum is 51.

The spelling of 15073794500721 in words is "fifteen trillion, seventy-three billion, seven hundred ninety-four million, five hundred thousand, seven hundred twenty-one".