11207091 has 8 divisors (see below), whose sum is σ = 17077504. Its totient is φ = 6404040.

The previous prime is 11207081. The next prime is 11207099. The reversal of 11207091 is 19070211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11207091 - 2¹³ = 11198899 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 533671 = 11207091 / (1 + 1 + 2 + 0 + 7 + 0 + 9 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11207099) 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 7 ways as a sum of consecutive naturals, for example, 266815 + ... + 266856.

It is an arithmetic number, because the mean of its divisors is an integer number (2134688).

Almost surely, 2^11207091 is an apocalyptic number.

11207091 is a deficient number, since it is larger than the sum of its proper divisors (5870413).

11207091 is an equidigital number, since it uses as much as digits as its factorization.

11207091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533681.

The product of its (nonzero) digits is 126, while the sum is 21.

The square root of 11207091 is about 3347.6993592615. The cubic root of 11207091 is about 223.7849964506.

The spelling of 11207091 in words is "eleven million, two hundred seven thousand, ninety-one".