11380843618 has 8 divisors (see below), whose sum is σ = 17072130348. Its totient is φ = 5690133504.

The previous prime is 11380843577. The next prime is 11380843633. The reversal of 11380843618 is 81634808311.

It can be written as a sum of positive squares in 2 ways, for example, as 11144391489 + 236452129 = 105567^2 + 15377^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90871 + ... + 176122.

Almost surely, 2^11380843618 is an apocalyptic number.

11380843618 is a deficient number, since it is larger than the sum of its proper divisors (5691286730).

11380843618 is a wasteful number, since it uses less digits than its factorization.

11380843618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288308.

The product of its (nonzero) digits is 110592, while the sum is 43.

The spelling of 11380843618 in words is "eleven billion, three hundred eighty million, eight hundred forty-three thousand, six hundred eighteen".