11314432991 has 2 divisors, whose sum is σ = 11314432992. Its totient is φ = 11314432990.

The previous prime is 11314432957. The next prime is 11314433051. The reversal of 11314432991 is 19923441311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11314432991 - 2¹⁰ = 11314431967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11314432901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5657216495 + 5657216496.

It is an arithmetic number, because the mean of its divisors is an integer number (5657216496).

Almost surely, 2^11314432991 is an apocalyptic number.

11314432991 is a deficient number, since it is larger than the sum of its proper divisors (1).

11314432991 is an equidigital number, since it uses as much as digits as its factorization.

11314432991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 38.

The spelling of 11314432991 in words is "eleven billion, three hundred fourteen million, four hundred thirty-two thousand, nine hundred ninety-one".