51200255815 has 16 divisors (see below), whose sum is σ = 63205598592. Its totient is φ = 39796067584.

The previous prime is 51200255809. The next prime is 51200255831. The reversal of 51200255815 is 51855200215.

It is a cyclic number.

It is not a de Polignac number, because 51200255815 - 2¹⁷ = 51200124743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 762964 + ... + 827353.

It is an arithmetic number, because the mean of its divisors is an integer number (3950349912).

Almost surely, 2^51200255815 is an apocalyptic number.

51200255815 is a deficient number, since it is larger than the sum of its proper divisors (12005342777).

51200255815 is a wasteful number, since it uses less digits than its factorization.

51200255815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1590506.

The product of its (nonzero) digits is 20000, while the sum is 34.

The spelling of 51200255815 in words is "fifty-one billion, two hundred million, two hundred fifty-five thousand, eight hundred fifteen".