11694938111999 has 16 divisors (see below), whose sum is σ = 12084542496000. Its totient is φ = 11306108148480.

The previous prime is 11694938111981. The next prime is 11694938112037. The reversal of 11694938111999 is 99911183949611.

It is not a de Polignac number, because 11694938111999 - 2²⁴ = 11694921334783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11694938101999) 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, 357091877 + ... + 357124625.

It is an arithmetic number, because the mean of its divisors is an integer number (755283906000).

Almost surely, 2^{11694938111999} is an apocalyptic number.

11694938111999 is a deficient number, since it is larger than the sum of its proper divisors (389604384001).

11694938111999 is a wasteful number, since it uses less digits than its factorization.

11694938111999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44210.

The product of its digits is 34012224, while the sum is 71.

The spelling of 11694938111999 in words is "eleven trillion, six hundred ninety-four billion, nine hundred thirty-eight million, one hundred eleven thousand, nine hundred ninety-nine".