11372091 has 4 divisors (see below), whose sum is σ = 15162792. Its totient is φ = 7581392.

The previous prime is 11372087. The next prime is 11372117. The reversal of 11372091 is 19027311.

11372091 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11372091 - 2² = 11372087 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11372591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1895346 + ... + 1895351.

It is an arithmetic number, because the mean of its divisors is an integer number (3790698).

Almost surely, 2^11372091 is an apocalyptic number.

11372091 is a deficient number, since it is larger than the sum of its proper divisors (3790701).

11372091 is an equidigital number, since it uses as much as digits as its factorization.

11372091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3790700.

The product of its (nonzero) digits is 378, while the sum is 24.

The square root of 11372091 is about 3372.2531043799. The cubic root of 11372091 is about 224.8778991836.

The spelling of 11372091 in words is "eleven million, three hundred seventy-two thousand, ninety-one".