11998099759 has 4 divisors (see below), whose sum is σ = 12004993000. Its totient is φ = 11991206520.

The previous prime is 11998099721. The next prime is 11998099769. The reversal of 11998099759 is 95799089911.

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 11998099759 - 2¹¹ = 11998097711 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11998099694 and 11998099703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11998099769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3444009 + ... + 3447490.

It is an arithmetic number, because the mean of its divisors is an integer number (3001248250).

Almost surely, 2^11998099759 is an apocalyptic number.

11998099759 is a deficient number, since it is larger than the sum of its proper divisors (6893241).

11998099759 is an equidigital number, since it uses as much as digits as its factorization.

11998099759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6893240.

The product of its (nonzero) digits is 16533720, while the sum is 67.

The spelling of 11998099759 in words is "eleven billion, nine hundred ninety-eight million, ninety-nine thousand, seven hundred fifty-nine".