11101085859 has 4 divisors (see below), whose sum is σ = 14801447816. Its totient is φ = 7400723904.

The previous prime is 11101085843. The next prime is 11101085869. The reversal of 11101085859 is 95858010111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95858010111 = 3 ⋅31952670037.

It is not a de Polignac number, because 11101085859 - 2⁴ = 11101085843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11101085819) 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, 1850180974 + ... + 1850180979.

It is an arithmetic number, because the mean of its divisors is an integer number (3700361954).

Almost surely, 2^11101085859 is an apocalyptic number.

11101085859 is a deficient number, since it is larger than the sum of its proper divisors (3700361957).

11101085859 is an equidigital number, since it uses as much as digits as its factorization.

11101085859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3700361956.

The product of its (nonzero) digits is 14400, while the sum is 39.

The spelling of 11101085859 in words is "eleven billion, one hundred one million, eighty-five thousand, eight hundred fifty-nine".