11268894618 has 48 divisors (see below), whose sum is σ = 25905597120. Its totient is φ = 3528033408.

The previous prime is 11268894569. The next prime is 11268894629. The reversal of 11268894618 is 81649886211.

It is a happy number.

11268894618 is a `hidden beast` number, since 1 + 12 + 6 + 8 + 8 + 9 + 4 + 618 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 111213 + ... + 186831.

It is an arithmetic number, because the mean of its divisors is an integer number (539699940).

Almost surely, 2^11268894618 is an apocalyptic number.

11268894618 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11268894618, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12952798560).

11268894618 is an abundant number, since it is smaller than the sum of its proper divisors (14636702502).

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

11268894618 is a wasteful number, since it uses less digits than its factorization.

11268894618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76131 (or 76128 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 54.

The spelling of 11268894618 in words is "eleven billion, two hundred sixty-eight million, eight hundred ninety-four thousand, six hundred eighteen".