51381344607232 has 22 divisors (see below), whose sum is σ = 102712512122168. Its totient is φ = 25690672303104.

The previous prime is 51381344607193. The next prime is 51381344607247. The reversal of 51381344607232 is 23270644318315.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25088546148 + ... + 25088548195.

Almost surely, 2^{51381344607232} is an apocalyptic number.

It is an amenable number.

51381344607232 is a deficient number, since it is larger than the sum of its proper divisors (51331167514936).

51381344607232 is an equidigital number, since it uses as much as digits as its factorization.

51381344607232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50177094363 (or 50177094345 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 49.

The spelling of 51381344607232 in words is "fifty-one trillion, three hundred eighty-one billion, three hundred forty-four million, six hundred seven thousand, two hundred thirty-two".