51128244465576 has 32 divisors (see below), whose sum is σ = 128306621108160. Its totient is φ = 16977946829312.

The previous prime is 51128244465569. The next prime is 51128244465607. The reversal of 51128244465576 is 67556444282115.

It is a super-2 number, since 2×51128244465576² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4050076425 + ... + 4050089048.

It is an arithmetic number, because the mean of its divisors is an integer number (4009581909630).

Almost surely, 2^{51128244465576} is an apocalyptic number.

It is an amenable number.

51128244465576 is an abundant number, since it is smaller than the sum of its proper divisors (77178376642584).

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

51128244465576 is a wasteful number, since it uses less digits than its factorization.

51128244465576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8100165745 (or 8100165741 counting only the distinct ones).

The product of its digits is 64512000, while the sum is 60.

The spelling of 51128244465576 in words is "fifty-one trillion, one hundred twenty-eight billion, two hundred forty-four million, four hundred sixty-five thousand, five hundred seventy-six".