51196915660804 has 27 divisors (see below), whose sum is σ = 89800150818567. Its totient is φ = 25539863881224.

The previous prime is 51196915660799. The next prime is 51196915660829. The reversal of 51196915660804 is 40806651969115.

The square root of 51196915660804 is 7155202.

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

It is a super-2 number, since 2×51196915660804² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 6625713189 + ... + 6625720915.

Almost surely, 2^{51196915660804} is an apocalyptic number.

51196915660804 is the 7155202-nd square number.

It is an amenable number.

51196915660804 is a deficient number, since it is larger than the sum of its proper divisors (38603235157763).

51196915660804 is an frugal number, since it uses more digits than its factorization.

51196915660804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16384 (or 8192 counting only the distinct ones).

The product of its (nonzero) digits is 13996800, while the sum is 61.

The spelling of 51196915660804 in words is "fifty-one trillion, one hundred ninety-six billion, nine hundred fifteen million, six hundred sixty thousand, eight hundred four".