11099940 has 24 divisors (see below), whose sum is σ = 31080000. Its totient is φ = 2959968.

The previous prime is 11099923. The next prime is 11099941. The reversal of 11099940 is 4999011.

11099940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (11099941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92440 + ... + 92559.

It is an arithmetic number, because the mean of its divisors is an integer number (1295000).

Almost surely, 2^11099940 is an apocalyptic number.

11099940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11099940 is an abundant number, since it is smaller than the sum of its proper divisors (19980060).

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

11099940 is a wasteful number, since it uses less digits than its factorization.

11099940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185011 (or 185009 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 33.

The square root of 11099940 is about 3331.6572452760. The cubic root of 11099940 is about 223.0695085191.

The spelling of 11099940 in words is "eleven million, ninety-nine thousand, nine hundred forty".