11782635918 has 8 divisors (see below), whose sum is σ = 23565271848. Its totient is φ = 3927545304.

The previous prime is 11782635901. The next prime is 11782635919. The reversal of 11782635918 is 81953628711.

11782635918 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

11782635918 is an admirable number.

It is a super-2 number, since 2×11782635918² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11782635919) 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 3 ways as a sum of consecutive naturals, for example, 981886321 + ... + 981886332.

It is an arithmetic number, because the mean of its divisors is an integer number (2945658981).

Almost surely, 2^11782635918 is an apocalyptic number.

11782635918 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11782635918 is a wasteful number, since it uses less digits than its factorization.

11782635918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1963772658.

The product of its digits is 725760, while the sum is 51.

The spelling of 11782635918 in words is "eleven billion, seven hundred eighty-two million, six hundred thirty-five thousand, nine hundred eighteen".