51101604132 has 24 divisors (see below), whose sum is σ = 122459701056. Its totient is φ = 16573493088.

The previous prime is 51101604119. The next prime is 51101604163. The reversal of 51101604132 is 23140610115.

It is a happy number.

51101604132 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 2×51101604132² (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, 57546408 + ... + 57547295.

It is an arithmetic number, because the mean of its divisors is an integer number (5102487544).

Almost surely, 2^51101604132 is an apocalyptic number.

It is an amenable number.

51101604132 is an abundant number, since it is smaller than the sum of its proper divisors (71358096924).

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

51101604132 is a wasteful number, since it uses less digits than its factorization.

51101604132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115093747 (or 115093745 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The spelling of 51101604132 in words is "fifty-one billion, one hundred one million, six hundred four thousand, one hundred thirty-two".