11198950559 has 4 divisors (see below), whose sum is σ = 11257584000. Its totient is φ = 11140317120.

The previous prime is 11198950519. The next prime is 11198950571. The reversal of 11198950559 is 95505989111.

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 11198950559 - 2¹² = 11198946463 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11198950559.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11198950519) 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, 29316434 + ... + 29316815.

It is an arithmetic number, because the mean of its divisors is an integer number (2814396000).

Almost surely, 2^11198950559 is an apocalyptic number.

11198950559 is a deficient number, since it is larger than the sum of its proper divisors (58633441).

11198950559 is an equidigital number, since it uses as much as digits as its factorization.

11198950559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58633440.

The product of its (nonzero) digits is 729000, while the sum is 53.

The spelling of 11198950559 in words is "eleven billion, one hundred ninety-eight million, nine hundred fifty thousand, five hundred fifty-nine".