51356635242324 has 12 divisors (see below), whose sum is σ = 119832148898784. Its totient is φ = 17118878414104.

The previous prime is 51356635242293. The next prime is 51356635242337. The reversal of 51356635242324 is 42324253665315.

It is a happy number.

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

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, 2139859801752 + ... + 2139859801775.

It is an arithmetic number, because the mean of its divisors is an integer number (9986012408232).

Almost surely, 2^{51356635242324} is an apocalyptic number.

It is an amenable number.

51356635242324 is an abundant number, since it is smaller than the sum of its proper divisors (68475513656460).

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

51356635242324 is a wasteful number, since it uses less digits than its factorization.

51356635242324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4279719603534 (or 4279719603532 counting only the distinct ones).

The product of its digits is 15552000, while the sum is 51.

The spelling of 51356635242324 in words is "fifty-one trillion, three hundred fifty-six billion, six hundred thirty-five million, two hundred forty-two thousand, three hundred twenty-four".