51276716665152 has 112 divisors (see below), whose sum is σ = 148638458884032. Its totient is φ = 15471710433280.

The previous prime is 51276716665133. The next prime is 51276716665157. The reversal of 51276716665152 is 25156661767215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51276716665157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51608223 + ... + 52592414.

Almost surely, 2^{51276716665152} is an apocalyptic number.

It is an amenable number.

51276716665152 is an abundant number, since it is smaller than the sum of its proper divisors (97361742218880).

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

51276716665152 is a wasteful number, since it uses less digits than its factorization.

51276716665152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104200896 (or 104200886 counting only the distinct ones).

The product of its digits is 31752000, while the sum is 60.

The spelling of 51276716665152 in words is "fifty-one trillion, two hundred seventy-six billion, seven hundred sixteen million, six hundred sixty-five thousand, one hundred fifty-two".