2551432512 has 56 divisors (see below), whose sum is σ = 6762203392. Its totient is φ = 849024000.

The previous prime is 2551432487. The next prime is 2551432523. The reversal of 2551432512 is 2152341552.

It is a self number, because there is not a number n which added to its sum of digits gives 2551432512.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104337 + ... + 126447.

It is an arithmetic number, because the mean of its divisors is an integer number (120753632).

Almost surely, 2^2551432512 is an apocalyptic number.

It is an amenable number.

2551432512 is an abundant number, since it is smaller than the sum of its proper divisors (4210770880).

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

2551432512 is a wasteful number, since it uses less digits than its factorization.

2551432512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22727 (or 22717 counting only the distinct ones).

The product of its digits is 12000, while the sum is 30.

The square root of 2551432512 is about 50511.7066827087. The cubic root of 2551432512 is about 1366.4529894238.

The spelling of 2551432512 in words is "two billion, five hundred fifty-one million, four hundred thirty-two thousand, five hundred twelve".