100105111050089 has 4 divisors (see below), whose sum is σ = 101023506564420. Its totient is φ = 99186715535760.

The previous prime is 100105111050059. The next prime is 100105111050221. The reversal of 100105111050089 is 980050111501001.

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

It can be written as a sum of positive squares in 2 ways, for example, as 85924742593600 + 14180368456489 = 9269560^2 + 3765683^2 .

It is a cyclic number.

It is not a de Polignac number, because 100105111050089 - 2⁸ = 100105111049833 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (100105111050059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 459197757002 + ... + 459197757219.

It is an arithmetic number, because the mean of its divisors is an integer number (25255876641105).

Almost surely, 2^{100105111050089} is an apocalyptic number.

It is an amenable number.

100105111050089 is a deficient number, since it is larger than the sum of its proper divisors (918395514331).

100105111050089 is an equidigital number, since it uses as much as digits as its factorization.

100105111050089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918395514330.

The product of its (nonzero) digits is 1800, while the sum is 32.

The spelling of 100105111050089 in words is "one hundred trillion, one hundred five billion, one hundred eleven million, fifty thousand, eighty-nine".