100105500601055 has 4 divisors (see below), whose sum is σ = 120126600721272. Its totient is φ = 80084400480840.

The previous prime is 100105500601039. The next prime is 100105500601061. The reversal of 100105500601055 is 550106005501001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 100105500601055 - 2⁴ = 100105500601039 is a prime.

It is a super-2 number, since 2×100105500601055² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10010550060101 + ... + 10010550060110.

It is an arithmetic number, because the mean of its divisors is an integer number (30031650180318).

Almost surely, 2^{100105500601055} is an apocalyptic number.

100105500601055 is a deficient number, since it is larger than the sum of its proper divisors (20021100120217).

100105500601055 is an equidigital number, since it uses as much as digits as its factorization.

100105500601055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20021100120216.

The product of its (nonzero) digits is 3750, while the sum is 29.

The spelling of 100105500601055 in words is "one hundred trillion, one hundred five billion, five hundred million, six hundred one thousand, fifty-five".