51050205515 has 8 divisors (see below), whose sum is σ = 62264513328. Its totient is φ = 40170653280.

The previous prime is 51050205497. The next prime is 51050205551. The reversal of 51050205515 is 51550205015.

51050205515 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 51050205515 - 2⁸ = 51050205259 is a prime.

It is a super-2 number, since 2×51050205515² (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, 83688557 + ... + 83689166.

It is an arithmetic number, because the mean of its divisors is an integer number (7783064166).

Almost surely, 2^51050205515 is an apocalyptic number.

51050205515 is a deficient number, since it is larger than the sum of its proper divisors (11214307813).

51050205515 is a wasteful number, since it uses less digits than its factorization.

51050205515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167377789.

The product of its (nonzero) digits is 6250, while the sum is 29.

The spelling of 51050205515 in words is "fifty-one billion, fifty million, two hundred five thousand, five hundred fifteen".