51001100499 has 16 divisors (see below), whose sum is σ = 68131433120. Its totient is φ = 33935811840.

The previous prime is 51001100483. The next prime is 51001100509. The reversal of 51001100499 is 99400110015.

It is not a de Polignac number, because 51001100499 - 2⁴ = 51001100483 is a prime.

It is a super-2 number, since 2×51001100499² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51001100099) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3965319 + ... + 3978159.

It is an arithmetic number, because the mean of its divisors is an integer number (4258214570).

Almost surely, 2^51001100499 is an apocalyptic number.

51001100499 is a deficient number, since it is larger than the sum of its proper divisors (17130332621).

51001100499 is a wasteful number, since it uses less digits than its factorization.

51001100499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15270.

The product of its (nonzero) digits is 1620, while the sum is 30.

The spelling of 51001100499 in words is "fifty-one billion, one million, one hundred thousand, four hundred ninety-nine".