11399097311 has 6 divisors (see below), whose sum is σ = 13260174480. Its totient is φ = 9770654796.

The previous prime is 11399097293. The next prime is 11399097313. The reversal of 11399097311 is 11379099311.

It is not a de Polignac number, because 11399097311 - 2¹⁰ = 11399096287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11399097313) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 116317271 + ... + 116317368.

It is an arithmetic number, because the mean of its divisors is an integer number (2210029080).

Almost surely, 2^11399097311 is an apocalyptic number.

11399097311 is a deficient number, since it is larger than the sum of its proper divisors (1861077169).

11399097311 is an equidigital number, since it uses as much as digits as its factorization.

11399097311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232634653 (or 232634646 counting only the distinct ones).

The product of its (nonzero) digits is 45927, while the sum is 44.

The spelling of 11399097311 in words is "eleven billion, three hundred ninety-nine million, ninety-seven thousand, three hundred eleven".