11789010999 has 8 divisors (see below), whose sum is σ = 17465201520. Its totient is φ = 7859340648.

The previous prime is 11789010983. The next prime is 11789011019. The reversal of 11789010999 is 99901098711.

It is a happy number.

It is not a de Polignac number, because 11789010999 - 2⁴ = 11789010983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11789010899) 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, 218314992 + ... + 218315045.

It is an arithmetic number, because the mean of its divisors is an integer number (2183150190).

Almost surely, 2^11789010999 is an apocalyptic number.

11789010999 is a deficient number, since it is larger than the sum of its proper divisors (5676190521).

11789010999 is an equidigital number, since it uses as much as digits as its factorization.

11789010999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436630046 (or 436630040 counting only the distinct ones).

The product of its (nonzero) digits is 367416, while the sum is 54.

The spelling of 11789010999 in words is "eleven billion, seven hundred eighty-nine million, ten thousand, nine hundred ninety-nine".