51204327102 has 24 divisors (see below), whose sum is σ = 112189259520. Its totient is φ = 16876332000.

The previous prime is 51204327089. The next prime is 51204327133. The reversal of 51204327102 is 20172340215.

51204327102 is a `hidden beast` number, since 5 + 120 + 432 + 7 + 102 = 666.

It is a super-2 number, since 2×51204327102² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15979774 + ... + 15982977.

It is an arithmetic number, because the mean of its divisors is an integer number (4674552480).

Almost surely, 2^51204327102 is an apocalyptic number.

51204327102 is an abundant number, since it is smaller than the sum of its proper divisors (60984932418).

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

51204327102 is a wasteful number, since it uses less digits than its factorization.

51204327102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31962848 (or 31962845 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

Adding to 51204327102 its reverse (20172340215), we get a palindrome (71376667317).

The spelling of 51204327102 in words is "fifty-one billion, two hundred four million, three hundred twenty-seven thousand, one hundred two".