11331227999 has 24 divisors (see below), whose sum is σ = 14942294640. Its totient is φ = 8493496704.

The previous prime is 11331227983. The next prime is 11331228011. The reversal of 11331227999 is 99972213311.

It is not a de Polignac number, because 11331227999 - 2⁴ = 11331227983 is a prime.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331227939) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 456014 + ... + 480219.

It is an arithmetic number, because the mean of its divisors is an integer number (622595610).

Almost surely, 2^11331227999 is an apocalyptic number.

11331227999 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

11331227999 is a deficient number, since it is larger than the sum of its proper divisors (3611066641).

11331227999 is a wasteful number, since it uses less digits than its factorization.

11331227999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936279 (or 936272 counting only the distinct ones).

The product of its digits is 183708, while the sum is 47.

The spelling of 11331227999 in words is "eleven billion, three hundred thirty-one million, two hundred twenty-seven thousand, nine hundred ninety-nine".