516515151225 has 24 divisors (see below), whose sum is σ = 863566915680. Its totient is φ = 272379521920.

The previous prime is 516515151181. The next prime is 516515151287. The reversal of 516515151225 is 522151515615.

It is not a de Polignac number, because 516515151225 - 2⁸ = 516515150969 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38683599 + ... + 38696948.

It is an arithmetic number, because the mean of its divisors is an integer number (35981954820).

Almost surely, 2^516515151225 is an apocalyptic number.

It is an amenable number.

516515151225 is a deficient number, since it is larger than the sum of its proper divisors (347051764455).

516515151225 is a wasteful number, since it uses less digits than its factorization.

516515151225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77380649 (or 77380644 counting only the distinct ones).

The product of its digits is 75000, while the sum is 39.

The spelling of 516515151225 in words is "five hundred sixteen billion, five hundred fifteen million, one hundred fifty-one thousand, two hundred twenty-five".