11318495491 has 8 divisors (see below), whose sum is σ = 12167700480. Its totient is φ = 10494640008.

The previous prime is 11318495479. The next prime is 11318495497. The reversal of 11318495491 is 19459481311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11318495491 - 2¹¹ = 11318493443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11318495497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6336451 + ... + 6338236.

It is an arithmetic number, because the mean of its divisors is an integer number (1520962560).

Almost surely, 2^11318495491 is an apocalyptic number.

11318495491 is a deficient number, since it is larger than the sum of its proper divisors (849204989).

11318495491 is a wasteful number, since it uses less digits than its factorization.

11318495491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12674753.

The product of its digits is 155520, while the sum is 46.

The spelling of 11318495491 in words is "eleven billion, three hundred eighteen million, four hundred ninety-five thousand, four hundred ninety-one".