51150989568064 has 21 divisors (see below), whose sum is σ = 101502858462127. Its totient is φ = 25575466176064.

The previous prime is 51150989568061. The next prime is 51150989568073. The reversal of 51150989568064 is 46086598905115.

The square root of 51150989568064 is 7151992.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51150989568061) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 56768937 + ... + 57662935.

Almost surely, 2^{51150989568064} is an apocalyptic number.

51150989568064 is the 7151992-nd square number.

It is an amenable number.

51150989568064 is a deficient number, since it is larger than the sum of its proper divisors (50351868894063).

51150989568064 is an frugal number, since it uses more digits than its factorization.

51150989568064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1788010 (or 894001 counting only the distinct ones).

The product of its (nonzero) digits is 93312000, while the sum is 67.

The spelling of 51150989568064 in words is "fifty-one trillion, one hundred fifty billion, nine hundred eighty-nine million, five hundred sixty-eight thousand, sixty-four".