11414540591 has 4 divisors (see below), whose sum is σ = 11415879384. Its totient is φ = 11413201800.

The previous prime is 11414540581. The next prime is 11414540611. The reversal of 11414540591 is 19504541411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11414540591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11414540561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 656525 + ... + 673686.

It is an arithmetic number, because the mean of its divisors is an integer number (2853969846).

Almost surely, 2^11414540591 is an apocalyptic number.

11414540591 is a deficient number, since it is larger than the sum of its proper divisors (1338793).

11414540591 is an equidigital number, since it uses as much as digits as its factorization.

11414540591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338792.

The product of its (nonzero) digits is 14400, while the sum is 35.

The spelling of 11414540591 in words is "eleven billion, four hundred fourteen million, five hundred forty thousand, five hundred ninety-one".