51050501065 has 8 divisors (see below), whose sum is σ = 62685266688. Its totient is φ = 39890623920.

The previous prime is 51050500981. The next prime is 51050501083. The reversal of 51050501065 is 56010505015.

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

It is not a de Polignac number, because 51050501065 - 2²⁵ = 51016946633 is a prime.

It is a super-2 number, since 2×51050501065² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118721881 + ... + 118722310.

It is an arithmetic number, because the mean of its divisors is an integer number (7835658336).

Almost surely, 2^51050501065 is an apocalyptic number.

It is an amenable number.

51050501065 is a deficient number, since it is larger than the sum of its proper divisors (11634765623).

51050501065 is a wasteful number, since it uses less digits than its factorization.

51050501065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237444239.

The product of its (nonzero) digits is 3750, while the sum is 28.

The spelling of 51050501065 in words is "fifty-one billion, fifty million, five hundred one thousand, sixty-five".