51112125231 has 16 divisors (see below), whose sum is σ = 68265643104. Its totient is φ = 34016730624.

The previous prime is 51112125173. The next prime is 51112125263. The reversal of 51112125231 is 13252121115.

It is not a de Polignac number, because 51112125231 - 2²⁵ = 51078570799 is a prime.

It is a super-2 number, since 2×51112125231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51112135231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4950931 + ... + 4961243.

It is an arithmetic number, because the mean of its divisors is an integer number (4266602694).

Almost surely, 2^51112125231 is an apocalyptic number.

51112125231 is a deficient number, since it is larger than the sum of its proper divisors (17153517873).

51112125231 is a wasteful number, since it uses less digits than its factorization.

51112125231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12970.

The product of its digits is 600, while the sum is 24.

Adding to 51112125231 its reverse (13252121115), we get a palindrome (64364246346).

The spelling of 51112125231 in words is "fifty-one billion, one hundred twelve million, one hundred twenty-five thousand, two hundred thirty-one".