11693947768188 has 48 divisors (see below), whose sum is σ = 31184039894784. Its totient is φ = 3341108736000.

The previous prime is 11693947768187. The next prime is 11693947768207. The reversal of 11693947768188 is 88186774939611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11693947768187) 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 15 ways as a sum of consecutive naturals, for example, 21224188 + ... + 21768188.

It is an arithmetic number, because the mean of its divisors is an integer number (649667497808).

Almost surely, 2^{11693947768188} is an apocalyptic number.

It is an amenable number.

11693947768188 is an abundant number, since it is smaller than the sum of its proper divisors (19490092126596).

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

11693947768188 is a wasteful number, since it uses less digits than its factorization.

11693947768188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799922 (or 799920 counting only the distinct ones).

The product of its digits is 877879296, while the sum is 78.

The spelling of 11693947768188 in words is "eleven trillion, six hundred ninety-three billion, nine hundred forty-seven million, seven hundred sixty-eight thousand, one hundred eighty-eight".