51574122512 has 40 divisors (see below), whose sum is σ = 109050044160. Its totient is φ = 23433943680.

The previous prime is 51574122449. The next prime is 51574122539. The reversal of 51574122512 is 21522147515.

It is a super-2 number, since 2×51574122512² (a number of 22 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, 424658 + ... + 532430.

It is an arithmetic number, because the mean of its divisors is an integer number (2726251104).

Almost surely, 2^51574122512 is an apocalyptic number.

It is an amenable number.

51574122512 is an abundant number, since it is smaller than the sum of its proper divisors (57475921648).

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

51574122512 is a wasteful number, since it uses less digits than its factorization.

51574122512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110511 (or 110505 counting only the distinct ones).

The product of its digits is 28000, while the sum is 35.

The spelling of 51574122512 in words is "fifty-one billion, five hundred seventy-four million, one hundred twenty-two thousand, five hundred twelve".