11120231986 has 4 divisors (see below), whose sum is σ = 16680347982. Its totient is φ = 5560115992.

The previous prime is 11120231959. The next prime is 11120231989. The reversal of 11120231986 is 68913202111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 68913202111 = 13 ⋅5301015547.

It can be written as a sum of positive squares in only one way, i.e., 6967073961 + 4153158025 = 83469^2 + 64445^2 .

It is not an unprimeable number, because it can be changed into a prime (11120231989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2780057995 + ... + 2780057998.

Almost surely, 2^11120231986 is an apocalyptic number.

11120231986 is a deficient number, since it is larger than the sum of its proper divisors (5560115996).

11120231986 is an equidigital number, since it uses as much as digits as its factorization.

11120231986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5560115995.

The product of its (nonzero) digits is 5184, while the sum is 34.

The spelling of 11120231986 in words is "eleven billion, one hundred twenty million, two hundred thirty-one thousand, nine hundred eighty-six".