11199428759 has 16 divisors (see below), whose sum is σ = 12301269120. Its totient is φ = 10153328640.

The previous prime is 11199428729. The next prime is 11199428783. The reversal of 11199428759 is 95782499111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11199428759 - 2⁸ = 11199428503 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 (11199428719) 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, 46634 + ... + 156759.

It is an arithmetic number, because the mean of its divisors is an integer number (768829320).

Almost surely, 2^11199428759 is an apocalyptic number.

11199428759 is a deficient number, since it is larger than the sum of its proper divisors (1101840361).

11199428759 is a wasteful number, since it uses less digits than its factorization.

11199428759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203530.

The product of its digits is 1632960, while the sum is 56.

The spelling of 11199428759 in words is "eleven billion, one hundred ninety-nine million, four hundred twenty-eight thousand, seven hundred fifty-nine".