51132113227 has 6 divisors (see below), whose sum is σ = 55367909772. Its totient is φ = 47198873592.

The previous prime is 51132113189. The next prime is 51132113237. The reversal of 51132113227 is 72231123115.

It is not a de Polignac number, because 51132113227 - 2⁷ = 51132113099 is a prime.

It is a super-2 number, since 2×51132113227² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51132113195 and 51132113204.

It is not an unprimeable number, because it can be changed into a prime (51132113237) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 151278273 + ... + 151278610.

It is an arithmetic number, because the mean of its divisors is an integer number (9227984962).

Almost surely, 2^51132113227 is an apocalyptic number.

51132113227 is a deficient number, since it is larger than the sum of its proper divisors (4235796545).

51132113227 is a wasteful number, since it uses less digits than its factorization.

51132113227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302556909 (or 302556896 counting only the distinct ones).

The product of its digits is 2520, while the sum is 28.

The spelling of 51132113227 in words is "fifty-one billion, one hundred thirty-two million, one hundred thirteen thousand, two hundred twenty-seven".