51112163611131 has 48 divisors (see below), whose sum is σ = 79624801589760. Its totient is φ = 29078702896320.

The previous prime is 51112163611123. The next prime is 51112163611207. The reversal of 51112163611131 is 13111636121115.

It is not a de Polignac number, because 51112163611131 - 2³ = 51112163611123 is a prime.

It is a super-2 number, since 2×51112163611131² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51112163611092 and 51112163611101.

It is not an unprimeable number, because it can be changed into a prime (51112163611631) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32958990 + ... + 34474908.

It is an arithmetic number, because the mean of its divisors is an integer number (1658850033120).

Almost surely, 2^{51112163611131} is an apocalyptic number.

51112163611131 is a deficient number, since it is larger than the sum of its proper divisors (28512637978629).

51112163611131 is a wasteful number, since it uses less digits than its factorization.

51112163611131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1516944 (or 1516937 counting only the distinct ones).

The product of its digits is 3240, while the sum is 33.

Adding to 51112163611131 its reverse (13111636121115), we get a palindrome (64223799732246).

The spelling of 51112163611131 in words is "fifty-one trillion, one hundred twelve billion, one hundred sixty-three million, six hundred eleven thousand, one hundred thirty-one".