111100051110605 has 8 divisors (see below), whose sum is σ = 133320468146712. Its totient is φ = 88879769679168.

The previous prime is 111100051110589. The next prime is 111100051110613. The reversal of 111100051110605 is 506011150001111.

It can be written as a sum of positive squares in 4 ways, for example, as 8695102972516 + 102404948138089 = 2948746^2 + 10119533^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111100051110605 - 2⁴ = 111100051110589 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 32089922 + ... + 35383091.

It is an arithmetic number, because the mean of its divisors is an integer number (16665058518339).

Almost surely, 2^{111100051110605} is an apocalyptic number.

It is an amenable number.

111100051110605 is a deficient number, since it is larger than the sum of its proper divisors (22220417036107).

111100051110605 is an equidigital number, since it uses as much as digits as its factorization.

111100051110605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67802335.

The product of its (nonzero) digits is 150, while the sum is 23.

The spelling of 111100051110605 in words is "one hundred eleven trillion, one hundred billion, fifty-one million, one hundred ten thousand, six hundred five".