11123321986 has 32 divisors (see below), whose sum is σ = 20212094592. Its totient is φ = 4481859840.

The previous prime is 11123321971. The next prime is 11123321987. The reversal of 11123321986 is 68912332111.

It is not an unprimeable number, because it can be changed into a prime (11123321987) 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, 199125 + ... + 248791.

It is an arithmetic number, because the mean of its divisors is an integer number (631627956).

Almost surely, 2^11123321986 is an apocalyptic number.

11123321986 is a deficient number, since it is larger than the sum of its proper divisors (9088772606).

11123321986 is a wasteful number, since it uses less digits than its factorization.

11123321986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50634.

The product of its digits is 15552, while the sum is 37.

The spelling of 11123321986 in words is "eleven billion, one hundred twenty-three million, three hundred twenty-one thousand, nine hundred eighty-six".