51113302332 has 12 divisors (see below), whose sum is σ = 119264372136. Its totient is φ = 17037767440.

The previous prime is 51113302321. The next prime is 51113302349. The reversal of 51113302332 is 23320331115.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×51113302332² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2129720919 + ... + 2129720942.

It is an arithmetic number, because the mean of its divisors is an integer number (9938697678).

Almost surely, 2^51113302332 is an apocalyptic number.

It is an amenable number.

51113302332 is an abundant number, since it is smaller than the sum of its proper divisors (68151069804).

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

51113302332 is a wasteful number, since it uses less digits than its factorization.

51113302332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4259441868 (or 4259441866 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 24.

Adding to 51113302332 its reverse (23320331115), we get a palindrome (74433633447).

The spelling of 51113302332 in words is "fifty-one billion, one hundred thirteen million, three hundred two thousand, three hundred thirty-two".