11237908091 has 2 divisors, whose sum is σ = 11237908092. Its totient is φ = 11237908090.

The previous prime is 11237908067. The next prime is 11237908103. The reversal of 11237908091 is 19080973211.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11237908091 - 2⁶ = 11237908027 is a prime.

It is not a weakly prime, because it can be changed into another prime (11237908051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5618954045 + 5618954046.

It is an arithmetic number, because the mean of its divisors is an integer number (5618954046).

Almost surely, 2^11237908091 is an apocalyptic number.

11237908091 is a deficient number, since it is larger than the sum of its proper divisors (1).

11237908091 is an equidigital number, since it uses as much as digits as its factorization.

11237908091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 41.

The spelling of 11237908091 in words is "eleven billion, two hundred thirty-seven million, nine hundred eight thousand, ninety-one".