2551505421432 has 64 divisors (see below), whose sum is σ = 6959265413760. Its totient is φ = 773115209600.

The previous prime is 2551505421379. The next prime is 2551505421461. The reversal of 2551505421432 is 2341245051552.

It is a congruent number.

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, 2610682 + ... + 3452342.

It is an arithmetic number, because the mean of its divisors is an integer number (108738522090).

Almost surely, 2^{2551505421432} is an apocalyptic number.

2551505421432 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2551505421432 is an abundant number, since it is smaller than the sum of its proper divisors (4407759992328).

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

2551505421432 is a wasteful number, since it uses less digits than its factorization.

2551505421432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 853164 (or 853160 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 39.

The spelling of 2551505421432 in words is "two trillion, five hundred fifty-one billion, five hundred five million, four hundred twenty-one thousand, four hundred thirty-two".