11340209997 has 12 divisors (see below), whose sum is σ = 16533391680. Its totient is φ = 7489483848.

The previous prime is 11340209989. The next prime is 11340210023. The reversal of 11340209997 is 79990204311.

11340209997 is a `hidden beast` number, since 11 + 340 + 209 + 9 + 97 = 666.

It is not a de Polignac number, because 11340209997 - 2³ = 11340209989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11340209917) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5886997 + ... + 5888922.

It is an arithmetic number, because the mean of its divisors is an integer number (1377782640).

Almost surely, 2^11340209997 is an apocalyptic number.

It is an amenable number.

11340209997 is a deficient number, since it is larger than the sum of its proper divisors (5193181683).

11340209997 is a wasteful number, since it uses less digits than its factorization.

11340209997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11776032 (or 11776029 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The spelling of 11340209997 in words is "eleven billion, three hundred forty million, two hundred nine thousand, nine hundred ninety-seven".