2551320815582 has 32 divisors (see below), whose sum is σ = 4781262366720. Its totient is φ = 991945867680.

The previous prime is 2551320815579. The next prime is 2551320815633. The reversal of 2551320815582 is 2855180231552.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17219573 + ... + 17367104.

It is an arithmetic number, because the mean of its divisors is an integer number (149414448960).

Almost surely, 2^{2551320815582} is an apocalyptic number.

2551320815582 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2551320815582 is a deficient number, since it is larger than the sum of its proper divisors (2229941551138).

2551320815582 is a wasteful number, since it uses less digits than its factorization.

2551320815582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34587176.

The product of its (nonzero) digits is 960000, while the sum is 47.

The spelling of 2551320815582 in words is "two trillion, five hundred fifty-one billion, three hundred twenty million, eight hundred fifteen thousand, five hundred eighty-two".