11101109988 has 48 divisors (see below), whose sum is σ = 27038269440. Its totient is φ = 3538243104.

The previous prime is 11101109983. The next prime is 11101109989. The reversal of 11101109988 is 88990110111.

It is not an unprimeable number, because it can be changed into a prime (11101109983) 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, 1089823 + ... + 1099961.

It is an arithmetic number, because the mean of its divisors is an integer number (563297280).

Almost surely, 2^11101109988 is an apocalyptic number.

It is an amenable number.

11101109988 is an abundant number, since it is smaller than the sum of its proper divisors (15937159452).

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

11101109988 is a wasteful number, since it uses less digits than its factorization.

11101109988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14136 (or 14134 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 39.

The spelling of 11101109988 in words is "eleven billion, one hundred one million, one hundred nine thousand, nine hundred eighty-eight".