11097918 has 32 divisors (see below), whose sum is σ = 26560800. Its totient is φ = 3414528.

The previous prime is 11097917. The next prime is 11097943. The reversal of 11097918 is 81979011.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11097917) 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, 7203 + ... + 8606.

It is an arithmetic number, because the mean of its divisors is an integer number (830025).

Almost surely, 2^11097918 is an apocalyptic number.

11097918 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

11097918 is an abundant number, since it is smaller than the sum of its proper divisors (15462882).

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

11097918 is a wasteful number, since it uses less digits than its factorization.

11097918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15833 (or 15827 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 36.

The square root of 11097918 is about 3331.3537788713. The cubic root of 11097918 is about 223.0559626820.

The spelling of 11097918 in words is "eleven million, ninety-seven thousand, nine hundred eighteen".