15252225251 has 4 divisors (see below), whose sum is σ = 15479870472. Its totient is φ = 15024580032.

The previous prime is 15252225239. The next prime is 15252225283.

15252225251 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 15252225251 - 2³⁰ = 14178483427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15252225551) by changing a digit.

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, 113822510 + ... + 113822643.

It is an arithmetic number, because the mean of its divisors is an integer number (3869967618).

Almost surely, 2^15252225251 is an apocalyptic number.

15252225251 is a deficient number, since it is larger than the sum of its proper divisors (227645221).

15252225251 is an equidigital number, since it uses as much as digits as its factorization.

15252225251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227645220.

The product of its digits is 20000, while the sum is 32.

The spelling of 15252225251 in words is "fifteen billion, two hundred fifty-two million, two hundred twenty-five thousand, two hundred fifty-one".