11012331091 has 2 divisors, whose sum is σ = 11012331092. Its totient is φ = 11012331090.

The previous prime is 11012330957. The next prime is 11012331101. The reversal of 11012331091 is 19013321011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11012331091 - 2⁹ = 11012330579 is a prime.

It is not a weakly prime, because it can be changed into another prime (11012331191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5506165545 + 5506165546.

It is an arithmetic number, because the mean of its divisors is an integer number (5506165546).

Almost surely, 2^11012331091 is an apocalyptic number.

11012331091 is a deficient number, since it is larger than the sum of its proper divisors (1).

11012331091 is an equidigital number, since it uses as much as digits as its factorization.

11012331091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 22.

The spelling of 11012331091 in words is "eleven billion, twelve million, three hundred thirty-one thousand, ninety-one".