100555500051 has 12 divisors (see below), whose sum is σ = 145286576760. Its totient is φ = 67018656960.

The previous prime is 100555500037. The next prime is 100555500077. The reversal of 100555500051 is 150005555001.

100555500051 is a `hidden beast` number, since 10 + 0 + 55 + 550 + 0 + 0 + 51 = 666.

It is not a de Polignac number, because 100555500051 - 2¹³ = 100555491859 is a prime.

It is a super-2 number, since 2×100555500051² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100555499988 and 100555500024.

It is not an unprimeable number, because it can be changed into a prime (100555500091) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1493830 + ... + 1559691.

It is an arithmetic number, because the mean of its divisors is an integer number (12107214730).

Almost surely, 2^100555500051 is an apocalyptic number.

100555500051 is a deficient number, since it is larger than the sum of its proper divisors (44731076709).

100555500051 is a wasteful number, since it uses less digits than its factorization.

100555500051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3057186 (or 3057183 counting only the distinct ones).

The product of its (nonzero) digits is 3125, while the sum is 27.

The spelling of 100555500051 in words is "one hundred billion, five hundred fifty-five million, five hundred thousand, fifty-one".