11842086618 has 12 divisors (see below), whose sum is σ = 25657854378. Its totient is φ = 3947362200.

The previous prime is 11842086611. The next prime is 11842086629. The reversal of 11842086618 is 81668024811.

11842086618 is a `hidden beast` number, since 1 + 1 + 8 + 4 + 20 + 8 + 6 + 618 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5990295609 + 5851791009 = 77397^2 + 76497^2 .

It is not an unprimeable number, because it can be changed into a prime (11842086611) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 328946833 + ... + 328946868.

Almost surely, 2^11842086618 is an apocalyptic number.

11842086618 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

11842086618 is an abundant number, since it is smaller than the sum of its proper divisors (13815767760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11842086618 is a wasteful number, since it uses less digits than its factorization.

11842086618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657893709 (or 657893706 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 45.

It can be divided in two parts, 1184 and 2086618, that added together give a palindrome (2087802).

The spelling of 11842086618 in words is "eleven billion, eight hundred forty-two million, eighty-six thousand, six hundred eighteen".