11110232291 has 2 divisors, whose sum is σ = 11110232292. Its totient is φ = 11110232290.

The previous prime is 11110232281. The next prime is 11110232339. The reversal of 11110232291 is 19223201111.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11110232291 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (11110232201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555116145 + 5555116146.

It is an arithmetic number, because the mean of its divisors is an integer number (5555116146).

Almost surely, 2^11110232291 is an apocalyptic number.

11110232291 is a deficient number, since it is larger than the sum of its proper divisors (1).

11110232291 is an equidigital number, since it uses as much as digits as its factorization.

11110232291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 23.

The spelling of 11110232291 in words is "eleven billion, one hundred ten million, two hundred thirty-two thousand, two hundred ninety-one".