11436091 has 4 divisors (see below), whose sum is σ = 11449872. Its totient is φ = 11422312.

The previous prime is 11436077. The next prime is 11436101. The reversal of 11436091 is 19063411.

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 11436091 - 2¹⁵ = 11403323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11436001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5560 + ... + 7333.

It is an arithmetic number, because the mean of its divisors is an integer number (2862468).

Almost surely, 2^11436091 is an apocalyptic number.

11436091 is a deficient number, since it is larger than the sum of its proper divisors (13781).

11436091 is an equidigital number, since it uses as much as digits as its factorization.

11436091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13780.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 11436091 is about 3381.7289956470. The cubic root of 11436091 is about 225.2989671825.

The spelling of 11436091 in words is "eleven million, four hundred thirty-six thousand, ninety-one".