15225122152251 has 12 divisors (see below), whose sum is σ = 23991101573400. Its totient is φ = 9227346758880.

The previous prime is 15225122152237. The next prime is 15225122152343.

15225122152251 is a `hidden beast` number, since 1 + 5 + 2 + 2 + 5 + 122 + 1 + 522 + 5 + 1 = 666.

15225122152251 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 15225122152251 - 2²⁷ = 15224987934523 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15225122152151) 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, 76894556226 + ... + 76894556423.

It is an arithmetic number, because the mean of its divisors is an integer number (1999258464450).

Almost surely, 2^{15225122152251} is an apocalyptic number.

15225122152251 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

15225122152251 is a deficient number, since it is larger than the sum of its proper divisors (8765979421149).

15225122152251 is a wasteful number, since it uses less digits than its factorization.

15225122152251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153789112666 (or 153789112663 counting only the distinct ones).

The product of its digits is 40000, while the sum is 36.

It can be divided in two parts, 1522512 and 2152251, that added together give a palindrome (3674763).

The spelling of 15225122152251 in words is "fifteen trillion, two hundred twenty-five billion, one hundred twenty-two million, one hundred fifty-two thousand, two hundred fifty-one".