51353123152464 has 60 divisors (see below), whose sum is σ = 164248481197216. Its totient is φ = 14672320900416.

The previous prime is 51353123152417. The next prime is 51353123152477. The reversal of 51353123152464 is 46425132135315.

51353123152464 is a `hidden beast` number, since 5 + 1 + 3 + 5 + 31 + 2 + 3 + 152 + 464 = 666.

It is a super-2 number, since 2×51353123152464² (a number of 28 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 11 ways as a sum of consecutive naturals, for example, 25472778334 + ... + 25472780349.

Almost surely, 2^{51353123152464} is an apocalyptic number.

It is an amenable number.

51353123152464 is an abundant number, since it is smaller than the sum of its proper divisors (112895358044752).

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

51353123152464 is a wasteful number, since it uses less digits than its factorization.

51353123152464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50945558704 (or 50945558695 counting only the distinct ones).

The product of its digits is 1296000, while the sum is 45.

Adding to 51353123152464 its reverse (46425132135315), we get a palindrome (97778255287779).

The spelling of 51353123152464 in words is "fifty-one trillion, three hundred fifty-three billion, one hundred twenty-three million, one hundred fifty-two thousand, four hundred sixty-four".