11297318886493 has 4 divisors (see below), whose sum is σ = 11488798867680. Its totient is φ = 11105838905308.

The previous prime is 11297318886463. The next prime is 11297318886613. The reversal of 11297318886493 is 39468881379211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11297318886493 is a prime.

It is a super-2 number, since 2×11297318886493² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11297318886443) 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, 95739990505 + ... + 95739990622.

It is an arithmetic number, because the mean of its divisors is an integer number (2872199716920).

Almost surely, 2^{11297318886493} is an apocalyptic number.

It is an amenable number.

11297318886493 is a deficient number, since it is larger than the sum of its proper divisors (191479981187).

11297318886493 is an equidigital number, since it uses as much as digits as its factorization.

11297318886493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191479981186.

The product of its digits is 125411328, while the sum is 70.

The spelling of 11297318886493 in words is "eleven trillion, two hundred ninety-seven billion, three hundred eighteen million, eight hundred eighty-six thousand, four hundred ninety-three".