11298111 has 16 divisors (see below), whose sum is σ = 16536960. Its totient is φ = 6804320.

The previous prime is 11298107. The next prime is 11298127. The reversal of 11298111 is 11189211.

It is a cyclic number.

It is not a de Polignac number, because 11298111 - 2² = 11298107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11298101) 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, 4720 + ... + 6698.

It is an arithmetic number, because the mean of its divisors is an integer number (1033560).

Almost surely, 2^11298111 is an apocalyptic number.

11298111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11298111 is a deficient number, since it is larger than the sum of its proper divisors (5238849).

11298111 is a wasteful number, since it uses less digits than its factorization.

11298111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2166.

The product of its digits is 144, while the sum is 24.

The square root of 11298111 is about 3361.2662792466. The cubic root of 11298111 is about 224.3891976905.

Subtracting from 11298111 its reverse (11189211), we obtain a square (108900 = 330²).

The spelling of 11298111 in words is "eleven million, two hundred ninety-eight thousand, one hundred eleven".