11618576812840 has 64 divisors (see below), whose sum is σ = 26163811555200. Its totient is φ = 4643518639872.

The previous prime is 11618576812789. The next prime is 11618576812847. The reversal of 11618576812840 is 4821867581611.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11618576812847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 291442749 + ... + 291482611.

It is an arithmetic number, because the mean of its divisors is an integer number (408809555550).

Almost surely, 2^{11618576812840} is an apocalyptic number.

11618576812840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11618576812840 is an abundant number, since it is smaller than the sum of its proper divisors (14545234742360).

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

11618576812840 is a wasteful number, since it uses less digits than its factorization.

11618576812840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45826 (or 45822 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 58.

The spelling of 11618576812840 in words is "eleven trillion, six hundred eighteen billion, five hundred seventy-six million, eight hundred twelve thousand, eight hundred forty".