2551213309524 has 24 divisors (see below), whose sum is σ = 6493997515488. Its totient is φ = 773094942240.

The previous prime is 2551213309517. The next prime is 2551213309583. The reversal of 2551213309524 is 4259033121552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9663686647 + ... + 9663686910.

It is an arithmetic number, because the mean of its divisors is an integer number (270583229812).

Almost surely, 2^{2551213309524} is an apocalyptic number.

It is an amenable number.

2551213309524 is an abundant number, since it is smaller than the sum of its proper divisors (3942784205964).

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

2551213309524 is a wasteful number, since it uses less digits than its factorization.

2551213309524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19327373575 (or 19327373573 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 42.

The spelling of 2551213309524 in words is "two trillion, five hundred fifty-one billion, two hundred thirteen million, three hundred nine thousand, five hundred twenty-four".