11101100005491 has 16 divisors (see below), whose sum is σ = 14815962391680. Its totient is φ = 7393487232320.

The previous prime is 11101100005483. The next prime is 11101100005529. The reversal of 11101100005491 is 19450000110111.

11101100005491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11101100005491 - 2³ = 11101100005483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11101100005421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25593100 + ... + 26023238.

It is an arithmetic number, because the mean of its divisors is an integer number (925997649480).

Almost surely, 2^{11101100005491} is an apocalyptic number.

11101100005491 is a deficient number, since it is larger than the sum of its proper divisors (3714862386189).

11101100005491 is a wasteful number, since it uses less digits than its factorization.

11101100005491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438546.

The product of its (nonzero) digits is 180, while the sum is 24.

The spelling of 11101100005491 in words is "eleven trillion, one hundred one billion, one hundred million, five thousand, four hundred ninety-one".