100551115005 has 32 divisors (see below), whose sum is σ = 181168939008. Its totient is φ = 47179406400.

The previous prime is 100551114971. The next prime is 100551115009. The reversal of 100551115005 is 500511155001.

It is not a de Polignac number, because 100551115005 - 2¹⁰ = 100551113981 is a prime.

It is a super-2 number, since 2×100551115005² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100551115009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9823929 + ... + 9834158.

It is an arithmetic number, because the mean of its divisors is an integer number (5661529344).

Almost surely, 2^100551115005 is an apocalyptic number.

100551115005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100551115005 is a deficient number, since it is larger than the sum of its proper divisors (80617824003).

100551115005 is a wasteful number, since it uses less digits than its factorization.

100551115005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19658137.

The product of its (nonzero) digits is 625, while the sum is 24.

The spelling of 100551115005 in words is "one hundred billion, five hundred fifty-one million, one hundred fifteen thousand, five".