11311418399 has 8 divisors (see below), whose sum is σ = 11365872048. Its totient is φ = 11257005760.

The previous prime is 11311418389. The next prime is 11311418413. The reversal of 11311418399 is 99381411311.

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 11311418399 - 2⁴ = 11311418383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11311418309) 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, 640739 + ... + 658155.

It is an arithmetic number, because the mean of its divisors is an integer number (1420734006).

Almost surely, 2^11311418399 is an apocalyptic number.

11311418399 is a deficient number, since it is larger than the sum of its proper divisors (54453649).

11311418399 is a wasteful number, since it uses less digits than its factorization.

11311418399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20505.

The product of its digits is 23328, while the sum is 41.

The spelling of 11311418399 in words is "eleven billion, three hundred eleven million, four hundred eighteen thousand, three hundred ninety-nine".