15055321251 has 12 divisors (see below), whose sum is σ = 21185882952. Its totient is φ = 9508623264.

The previous prime is 15055321247. The next prime is 15055321297. The reversal of 15055321251 is 15212355051.

It is not a de Polignac number, because 15055321251 - 2² = 15055321247 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15055321241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6949666 + ... + 6951831.

It is an arithmetic number, because the mean of its divisors is an integer number (1765490246).

Almost surely, 2^15055321251 is an apocalyptic number.

15055321251 is a deficient number, since it is larger than the sum of its proper divisors (6130561701).

15055321251 is a wasteful number, since it uses less digits than its factorization.

15055321251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13901538 (or 13901519 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 30.

The spelling of 15055321251 in words is "fifteen billion, fifty-five million, three hundred twenty-one thousand, two hundred fifty-one".