51037730760665 has 8 divisors (see below), whose sum is σ = 66813029359488. Its totient is φ = 37118349644080.

The previous prime is 51037730760659. The next prime is 51037730760749. The reversal of 51037730760665 is 56606703773015.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51037730760665 - 2¹⁶ = 51037730695129 is a prime.

It is a super-2 number, since 2×51037730760665² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51037730760665.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 463979370497 + ... + 463979370606.

It is an arithmetic number, because the mean of its divisors is an integer number (8351628669936).

Almost surely, 2^{51037730760665} is an apocalyptic number.

51037730760665 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

51037730760665 is a deficient number, since it is larger than the sum of its proper divisors (15775298598823).

51037730760665 is a wasteful number, since it uses less digits than its factorization.

51037730760665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927958741119.

The product of its (nonzero) digits is 16669800, while the sum is 56.

The spelling of 51037730760665 in words is "fifty-one trillion, thirty-seven billion, seven hundred thirty million, seven hundred sixty thousand, six hundred sixty-five".