11013299491 has 4 divisors (see below), whose sum is σ = 11310956272. Its totient is φ = 10715642712.

The previous prime is 11013299483. The next prime is 11013299497. The reversal of 11013299491 is 19499231011.

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

It is a cyclic number.

It is not a de Polignac number, because 11013299491 - 2³ = 11013299483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11013299497) 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, 148828335 + ... + 148828408.

It is an arithmetic number, because the mean of its divisors is an integer number (2827739068).

Almost surely, 2^11013299491 is an apocalyptic number.

11013299491 is a deficient number, since it is larger than the sum of its proper divisors (297656781).

11013299491 is an equidigital number, since it uses as much as digits as its factorization.

11013299491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297656780.

The product of its (nonzero) digits is 17496, while the sum is 40.

The spelling of 11013299491 in words is "eleven billion, thirteen million, two hundred ninety-nine thousand, four hundred ninety-one".