11099997 has 24 divisors (see below), whose sum is σ = 17611776. Its totient is φ = 6962112.

The previous prime is 11099993. The next prime is 11099999. The reversal of 11099997 is 79999011.

It is not a de Polignac number, because 11099997 - 2² = 11099993 is a prime.

It is a super-3 number, since 3×11099997³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11099993) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2788 + ... + 5474.

It is an arithmetic number, because the mean of its divisors is an integer number (733824).

Almost surely, 2^11099997 is an apocalyptic number.

11099997 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

11099997 is a deficient number, since it is larger than the sum of its proper divisors (6511779).

11099997 is an equidigital number, since it uses as much as digits as its factorization.

11099997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2719 (or 2707 counting only the distinct ones).

The product of its (nonzero) digits is 45927, while the sum is 45.

The square root of 11099997 is about 3331.6657995663. The cubic root of 11099997 is about 223.0698903512.

The spelling of 11099997 in words is "eleven million, ninety-nine thousand, nine hundred ninety-seven".