11418324399 has 24 divisors (see below), whose sum is σ = 16811591472. Its totient is φ = 7465361280.

The previous prime is 11418324389. The next prime is 11418324439. The reversal of 11418324399 is 99342381411.

It is not a de Polignac number, because 11418324399 - 2⁸ = 11418324143 is a prime.

It is a super-2 number, since 2×11418324399² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11418324319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1661779 + ... + 1668635.

It is an arithmetic number, because the mean of its divisors is an integer number (700482978).

Almost surely, 2^11418324399 is an apocalyptic number.

11418324399 is a deficient number, since it is larger than the sum of its proper divisors (5393267073).

11418324399 is a wasteful number, since it uses less digits than its factorization.

11418324399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10407 (or 10404 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The spelling of 11418324399 in words is "eleven billion, four hundred eighteen million, three hundred twenty-four thousand, three hundred ninety-nine".