51132111115332 has 96 divisors (see below), whose sum is σ = 134075830146048. Its totient is φ = 15048503420544.

The previous prime is 51132111115303. The next prime is 51132111115333. The reversal of 51132111115332 is 23351111123115.

It is a super-2 number, since 2×51132111115332² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51132111115332.

It is not an unprimeable number, because it can be changed into a prime (51132111115333) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 146082843 + ... + 146432445.

It is an arithmetic number, because the mean of its divisors is an integer number (1396623230688).

Almost surely, 2^{51132111115332} is an apocalyptic number.

51132111115332 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

51132111115332 is an abundant number, since it is smaller than the sum of its proper divisors (82943719030716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51132111115332 is a wasteful number, since it uses less digits than its factorization.

51132111115332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390409 (or 390407 counting only the distinct ones).

The product of its digits is 2700, while the sum is 30.

Adding to 51132111115332 its reverse (23351111123115), we get a palindrome (74483222238447).

The spelling of 51132111115332 in words is "fifty-one trillion, one hundred thirty-two billion, one hundred eleven million, one hundred fifteen thousand, three hundred thirty-two".