11109291100 has 18 divisors (see below), whose sum is σ = 24107161904. Its totient is φ = 4443716400.

The previous prime is 11109291077. The next prime is 11109291163. The reversal of 11109291100 is 119290111.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55546356 + ... + 55546555.

Almost surely, 2^11109291100 is an apocalyptic number.

11109291100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11109291100 is an abundant number, since it is smaller than the sum of its proper divisors (12997870804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11109291100 is a wasteful number, since it uses less digits than its factorization.

11109291100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111092925 (or 111092918 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 25.

The spelling of 11109291100 in words is "eleven billion, one hundred nine million, two hundred ninety-one thousand, one hundred".