11100913 has 2 divisors, whose sum is σ = 11100914. Its totient is φ = 11100912.

The previous prime is 11100907. The next prime is 11100931. The reversal of 11100913 is 31900111.

It is a happy number.

11100913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (11100931) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7306209 + 3794704 = 2703^2 + 1948^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11100913 is a prime.

It is not a weakly prime, because it can be changed into another prime (11100953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550456 + 5550457.

It is an arithmetic number, because the mean of its divisors is an integer number (5550457).

Almost surely, 2^11100913 is an apocalyptic number.

It is an amenable number.

11100913 is a deficient number, since it is larger than the sum of its proper divisors (1).

11100913 is an equidigital number, since it uses as much as digits as its factorization.

11100913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27, while the sum is 16.

The square root of 11100913 is about 3331.8032655005. The cubic root of 11100913 is about 223.0760262807.

The spelling of 11100913 in words is "eleven million, one hundred thousand, nine hundred thirteen".