11236994999 has 4 divisors (see below), whose sum is σ = 11259072120. Its totient is φ = 11214917880.

The previous prime is 11236994983. The next prime is 11236995031. The reversal of 11236994999 is 99949963211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11236994999 - 2⁴ = 11236994983 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 (11236994959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11037797 + ... + 11038814.

It is an arithmetic number, because the mean of its divisors is an integer number (2814768030).

Almost surely, 2^11236994999 is an apocalyptic number.

11236994999 is a deficient number, since it is larger than the sum of its proper divisors (22077121).

11236994999 is an equidigital number, since it uses as much as digits as its factorization.

11236994999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22077120.

The product of its digits is 8503056, while the sum is 62.

The spelling of 11236994999 in words is "eleven billion, two hundred thirty-six million, nine hundred ninety-four thousand, nine hundred ninety-nine".