11303220999 has 16 divisors (see below), whose sum is σ = 17226593280. Its totient is φ = 6457994400.

The previous prime is 11303220991. The next prime is 11303221037. The reversal of 11303220999 is 99902230311.

It is not a de Polignac number, because 11303220999 - 2³ = 11303220991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11303220991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112537 + ... + 187805.

It is an arithmetic number, because the mean of its divisors is an integer number (1076662080).

Almost surely, 2^11303220999 is an apocalyptic number.

11303220999 is a deficient number, since it is larger than the sum of its proper divisors (5923372281).

11303220999 is an equidigital number, since it uses as much as digits as its factorization.

11303220999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82430.

The product of its (nonzero) digits is 26244, while the sum is 39.

The spelling of 11303220999 in words is "eleven billion, three hundred three million, two hundred twenty thousand, nine hundred ninety-nine".