51436167137325 has 36 divisors (see below), whose sum is σ = 92341644452928. Its totient is φ = 27368973645600.

The previous prime is 51436167137323. The next prime is 51436167137347. The reversal of 51436167137325 is 52373176163415.

51436167137325 is a `hidden beast` number, since 5 + 1 + 4 + 3 + 616 + 7 + 13 + 7 + 3 + 2 + 5 = 666.

It is not a de Polignac number, because 51436167137325 - 2¹ = 51436167137323 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51436167137323) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 265106259 + ... + 265300208.

It is an arithmetic number, because the mean of its divisors is an integer number (2565045679248).

Almost surely, 2^{51436167137325} is an apocalyptic number.

It is an amenable number.

51436167137325 is a deficient number, since it is larger than the sum of its proper divisors (40905477315603).

51436167137325 is a wasteful number, since it uses less digits than its factorization.

51436167137325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530406914 (or 530406906 counting only the distinct ones).

The product of its digits is 9525600, while the sum is 54.

The spelling of 51436167137325 in words is "fifty-one trillion, four hundred thirty-six billion, one hundred sixty-seven million, one hundred thirty-seven thousand, three hundred twenty-five".