51525222252515 has 16 divisors (see below), whose sum is σ = 67745746781280. Its totient is φ = 37309251832320.

The previous prime is 51525222252503. The next prime is 51525222252571.

It is a happy number.

51525222252515 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 51525222252515 - 2⁶ = 51525222252451 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2045450774 + ... + 2045475963.

It is an arithmetic number, because the mean of its divisors is an integer number (4234109173830).

Almost surely, 2^{51525222252515} is an apocalyptic number.

51525222252515 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51525222252515 is a deficient number, since it is larger than the sum of its proper divisors (16220524528765).

51525222252515 is a wasteful number, since it uses less digits than its factorization.

51525222252515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4090926982.

The product of its digits is 1000000, while the sum is 44.

The spelling of 51525222252515 in words is "fifty-one trillion, five hundred twenty-five billion, two hundred twenty-two million, two hundred fifty-two thousand, five hundred fifteen".