11694438763018 has 32 divisors (see below), whose sum is σ = 19774127275200. Its totient is φ = 5140257615360.

The previous prime is 11694438763013. The next prime is 11694438763037. The reversal of 11694438763018 is 81036783449611.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11694438763013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43936743 + ... + 44202106.

It is an arithmetic number, because the mean of its divisors is an integer number (617941477350).

Almost surely, 2^{11694438763018} is an apocalyptic number.

11694438763018 is a deficient number, since it is larger than the sum of its proper divisors (8079688512182).

11694438763018 is a wasteful number, since it uses less digits than its factorization.

11694438763018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88139062.

The product of its (nonzero) digits is 20901888, while the sum is 61.

The spelling of 11694438763018 in words is "eleven trillion, six hundred ninety-four billion, four hundred thirty-eight million, seven hundred sixty-three thousand, eighteen".