11326040591 has 2 divisors, whose sum is σ = 11326040592. Its totient is φ = 11326040590.

The previous prime is 11326040521. The next prime is 11326040597. The reversal of 11326040591 is 19504062311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11326040591 - 2¹⁴ = 11326024207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11326040597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5663020295 + 5663020296.

It is an arithmetic number, because the mean of its divisors is an integer number (5663020296).

Almost surely, 2^11326040591 is an apocalyptic number.

11326040591 is a deficient number, since it is larger than the sum of its proper divisors (1).

11326040591 is an equidigital number, since it uses as much as digits as its factorization.

11326040591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 32.

The spelling of 11326040591 in words is "eleven billion, three hundred twenty-six million, forty thousand, five hundred ninety-one".