51132130205 has 64 divisors (see below), whose sum is σ = 74176155648. Its totient is φ = 33461268480.

The previous prime is 51132130183. The next prime is 51132130219. The reversal of 51132130205 is 50203123115.

It is a happy number.

It is not a de Polignac number, because 51132130205 - 2⁶ = 51132130141 is a prime.

It is a super-2 number, since 2×51132130205² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1247264 + ... + 1287606.

It is an arithmetic number, because the mean of its divisors is an integer number (1159002432).

Almost surely, 2^51132130205 is an apocalyptic number.

It is an amenable number.

51132130205 is a deficient number, since it is larger than the sum of its proper divisors (23044025443).

51132130205 is a wasteful number, since it uses less digits than its factorization.

51132130205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40446.

The product of its (nonzero) digits is 900, while the sum is 23.

The spelling of 51132130205 in words is "fifty-one billion, one hundred thirty-two million, one hundred thirty thousand, two hundred five".