2551521315532 has 12 divisors (see below), whose sum is σ = 5103042631120. Its totient is φ = 1093509135216.

The previous prime is 2551521315503. The next prime is 2551521315557. The reversal of 2551521315532 is 2355131251552.

2551521315532 is an admirable number.

It is a super-2 number, since 2×2551521315532² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45562880607 + ... + 45562880662.

Almost surely, 2^{2551521315532} is an apocalyptic number.

It is an amenable number.

2551521315532 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2551521315532 is a wasteful number, since it uses less digits than its factorization.

2551521315532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91125761280 (or 91125761278 counting only the distinct ones).

The product of its digits is 225000, while the sum is 40.

The spelling of 2551521315532 in words is "two trillion, five hundred fifty-one billion, five hundred twenty-one million, three hundred fifteen thousand, five hundred thirty-two".