100505000505051 has 10 divisors (see below), whose sum is σ = 150137099520012. Its totient is φ = 67003333669980.

The previous prime is 100505000505017. The next prime is 100505000505073. The reversal of 100505000505051 is 150505000505001.

100505000505051 is a `hidden beast` number, since 10 + 0 + 5 + 0 + 500 + 0 + 50 + 50 + 51 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-100505000505051 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (100505000505551) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 620401237605 + ... + 620401237766.

Almost surely, 2^{100505000505051} is an apocalyptic number.

100505000505051 is a deficient number, since it is larger than the sum of its proper divisors (49632099014961).

100505000505051 is an equidigital number, since it uses as much as digits as its factorization.

100505000505051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1240802475383 (or 1240802475374 counting only the distinct ones).

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

The spelling of 100505000505051 in words is "one hundred trillion, five hundred five billion, five hundred five thousand, fifty-one".