100500055111 has 4 divisors (see below), whose sum is σ = 100519957224. Its totient is φ = 100480153000.

The previous prime is 100500055067. The next prime is 100500055177. The reversal of 100500055111 is 111550005001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111550005001 = 71 ⋅1571126831.

It is a cyclic number.

It is not a de Polignac number, because 100500055111 - 2¹³ = 100500046919 is a prime.

It is a super-2 number, since 2×100500055111² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100500055181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9943480 + ... + 9953581.

It is an arithmetic number, because the mean of its divisors is an integer number (25129989306).

Almost surely, 2^100500055111 is an apocalyptic number.

100500055111 is a deficient number, since it is larger than the sum of its proper divisors (19902113).

100500055111 is an equidigital number, since it uses as much as digits as its factorization.

100500055111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19902112.

The product of its (nonzero) digits is 125, while the sum is 19.

The spelling of 100500055111 in words is "one hundred billion, five hundred million, fifty-five thousand, one hundred eleven".