51148659716 has 36 divisors (see below), whose sum is σ = 112442515584. Its totient is φ = 19928047920.

The previous prime is 51148659707. The next prime is 51148659719. The reversal of 51148659716 is 61795684115.

It is a super-2 number, since 2×51148659716² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51148659719) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7545116 + ... + 7551891.

Almost surely, 2^51148659716 is an apocalyptic number.

It is an amenable number.

51148659716 is an abundant number, since it is smaller than the sum of its proper divisors (61293855868).

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

51148659716 is a wasteful number, since it uses less digits than its factorization.

51148659716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15097040 (or 15097027 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 53.

The spelling of 51148659716 in words is "fifty-one billion, one hundred forty-eight million, six hundred fifty-nine thousand, seven hundred sixteen".