51151059556 has 9 divisors (see below), whose sum is σ = 89515145811. Its totient is φ = 25575303612.

The previous prime is 51151059541. The next prime is 51151059607. The reversal of 51151059556 is 65595015115.

The square root of 51151059556 is 226166.

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

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 395791 + ... + 508873.

Almost surely, 2^51151059556 is an apocalyptic number.

51151059556 is the 226166-th square number.

It is an amenable number.

51151059556 is a deficient number, since it is larger than the sum of its proper divisors (38364086255).

51151059556 is an frugal number, since it uses more digits than its factorization.

51151059556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226170 (or 113085 counting only the distinct ones).

The product of its (nonzero) digits is 168750, while the sum is 43.

The spelling of 51151059556 in words is "fifty-one billion, one hundred fifty-one million, fifty-nine thousand, five hundred fifty-six".