11694801858 has 32 divisors (see below), whose sum is σ = 24598757376. Its totient is φ = 3699411408.

The previous prime is 11694801851. The next prime is 11694801871. The reversal of 11694801858 is 85810849611.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11694801858.

It is not an unprimeable number, because it can be changed into a prime (11694801851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 316116 + ... + 351167.

It is an arithmetic number, because the mean of its divisors is an integer number (768711168).

Almost surely, 2^11694801858 is an apocalyptic number.

11694801858 is an abundant number, since it is smaller than the sum of its proper divisors (12903955518).

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

11694801858 is a wasteful number, since it uses less digits than its factorization.

11694801858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667438.

The product of its (nonzero) digits is 552960, while the sum is 51.

The spelling of 11694801858 in words is "eleven billion, six hundred ninety-four million, eight hundred one thousand, eight hundred fifty-eight".