11101985836 has 24 divisors (see below), whose sum is σ = 20457167360. Its totient is φ = 5257256400.

The previous prime is 11101985749. The next prime is 11101985837. The reversal of 11101985836 is 63858910111.

It is a junction number, because it is equal to n+sod(n) for n = 11101985792 and 11101985801.

It is not an unprimeable number, because it can be changed into a prime (11101985837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255841 + ... + 296071.

Almost surely, 2^11101985836 is an apocalyptic number.

It is an amenable number.

11101985836 is a deficient number, since it is larger than the sum of its proper divisors (9355181524).

11101985836 is a wasteful number, since it uses less digits than its factorization.

11101985836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43885 (or 43883 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 43.

The spelling of 11101985836 in words is "eleven billion, one hundred one million, nine hundred eighty-five thousand, eight hundred thirty-six".