11031009999 has 8 divisors (see below), whose sum is σ = 14740772400. Its totient is φ = 7337627136.

The previous prime is 11031009991. The next prime is 11031010007. The reversal of 11031009999 is 99990013011.

It is an interprime number because it is at equal distance from previous prime (11031009991) and next prime (11031010007).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11031009999 - 2³ = 11031009991 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11031009999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11031009991) 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, 4093312 + ... + 4096005.

It is an arithmetic number, because the mean of its divisors is an integer number (1842596550).

Almost surely, 2^11031009999 is an apocalyptic number.

11031009999 is a deficient number, since it is larger than the sum of its proper divisors (3709762401).

11031009999 is an equidigital number, since it uses as much as digits as its factorization.

11031009999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8189769.

The product of its (nonzero) digits is 19683, while the sum is 42.

The spelling of 11031009999 in words is "eleven billion, thirty-one million, nine thousand, nine hundred ninety-nine".