51450113015 has 64 divisors (see below), whose sum is σ = 78743101440. Its totient is φ = 31470405120.

The previous prime is 51450112999. The next prime is 51450113023. The reversal of 51450113015 is 51031105415.

It is not a de Polignac number, because 51450113015 - 2⁴ = 51450112999 is a prime.

It is a super-2 number, since 2×51450113015² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 729029 + ... + 796481.

It is an arithmetic number, because the mean of its divisors is an integer number (1230360960).

Almost surely, 2^51450113015 is an apocalyptic number.

51450113015 is a deficient number, since it is larger than the sum of its proper divisors (27292988425).

51450113015 is a wasteful number, since it uses less digits than its factorization.

51450113015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67552.

The product of its (nonzero) digits is 1500, while the sum is 26.

The spelling of 51450113015 in words is "fifty-one billion, four hundred fifty million, one hundred thirteen thousand, fifteen".