11198252399 has 4 divisors (see below), whose sum is σ = 11201617560. Its totient is φ = 11194887240.

The previous prime is 11198252389. The next prime is 11198252407. The reversal of 11198252399 is 99325289111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99325289111 = 152531 ⋅651181.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11198252399 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 (11198252389) 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, 1677584 + ... + 1684245.

It is an arithmetic number, because the mean of its divisors is an integer number (2800404390).

Almost surely, 2^11198252399 is an apocalyptic number.

11198252399 is a deficient number, since it is larger than the sum of its proper divisors (3365161).

11198252399 is an equidigital number, since it uses as much as digits as its factorization.

11198252399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3365160.

The product of its digits is 349920, while the sum is 50.

The spelling of 11198252399 in words is "eleven billion, one hundred ninety-eight million, two hundred fifty-two thousand, three hundred ninety-nine".