11441532391 has 2 divisors, whose sum is σ = 11441532392. Its totient is φ = 11441532390.

The previous prime is 11441532341. The next prime is 11441532397. The reversal of 11441532391 is 19323514411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11441532391 - 2²³ = 11433143783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11441532397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5720766195 + 5720766196.

It is an arithmetic number, because the mean of its divisors is an integer number (5720766196).

Almost surely, 2^11441532391 is an apocalyptic number.

11441532391 is a deficient number, since it is larger than the sum of its proper divisors (1).

11441532391 is an equidigital number, since it uses as much as digits as its factorization.

11441532391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 34.

The spelling of 11441532391 in words is "eleven billion, four hundred forty-one million, five hundred thirty-two thousand, three hundred ninety-one".