11694742222158 has 12 divisors (see below), whose sum is σ = 25338608148048. Its totient is φ = 3898247407380.

The previous prime is 11694742222147. The next prime is 11694742222159. The reversal of 11694742222158 is 85122224749611.

11694742222158 is a `hidden beast` number, since 1 + 1 + 6 + 9 + 47 + 422 + 22 + 158 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11694742222159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 324853950598 + ... + 324853950633.

It is an arithmetic number, because the mean of its divisors is an integer number (2111550679004).

Almost surely, 2^{11694742222158} is an apocalyptic number.

11694742222158 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

11694742222158 is an abundant number, since it is smaller than the sum of its proper divisors (13643865925890).

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

11694742222158 is a wasteful number, since it uses less digits than its factorization.

11694742222158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649707901239 (or 649707901236 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 54.

The spelling of 11694742222158 in words is "eleven trillion, six hundred ninety-four billion, seven hundred forty-two million, two hundred twenty-two thousand, one hundred fifty-eight".