51324081102 has 48 divisors (see below), whose sum is σ = 127113948000. Its totient is φ = 14661052416.

The previous prime is 51324081077. The next prime is 51324081103. The reversal of 51324081102 is 20118042315.

51324081102 is a `hidden beast` number, since 513 + 2 + 40 + 8 + 1 + 102 = 666.

It is a super-2 number, since 2×51324081102² (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 (51324081103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 625774 + ... + 703022.

It is an arithmetic number, because the mean of its divisors is an integer number (2648207250).

Almost surely, 2^51324081102 is an apocalyptic number.

51324081102 is an abundant number, since it is smaller than the sum of its proper divisors (75789866898).

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

51324081102 is a wasteful number, since it uses less digits than its factorization.

51324081102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82537 (or 82534 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The spelling of 51324081102 in words is "fifty-one billion, three hundred twenty-four million, eighty-one thousand, one hundred two".