51101521472 has 28 divisors (see below), whose sum is σ = 102076154496. Its totient is φ = 25381545600.

The previous prime is 51101521447. The next prime is 51101521481. The reversal of 51101521472 is 27412510115.

51101521472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×51101521472² (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 3 ways as a sum of consecutive naturals, for example, 2634248 + ... + 2653575.

Almost surely, 2^51101521472 is an apocalyptic number.

It is an amenable number.

51101521472 is a deficient number, since it is larger than the sum of its proper divisors (50974633024).

51101521472 is a wasteful number, since it uses less digits than its factorization.

51101521472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5287986 (or 5287976 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 29.

The spelling of 51101521472 in words is "fifty-one billion, one hundred one million, five hundred twenty-one thousand, four hundred seventy-two".