11538868166927 has 4 divisors (see below), whose sum is σ = 11539531757160. Its totient is φ = 11538204576696.

The previous prime is 11538868166911. The next prime is 11538868166939. The reversal of 11538868166927 is 72966186883511.

11538868166927 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11538868166927 - 2⁴ = 11538868166911 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 (11538868166957) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 331769033 + ... + 331803810.

It is an arithmetic number, because the mean of its divisors is an integer number (2884882939290).

Almost surely, 2^{11538868166927} is an apocalyptic number.

11538868166927 is a deficient number, since it is larger than the sum of its proper divisors (663590233).

11538868166927 is an equidigital number, since it uses as much as digits as its factorization.

11538868166927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663590232.

The product of its digits is 209018880, while the sum is 71.

The spelling of 11538868166927 in words is "eleven trillion, five hundred thirty-eight billion, eight hundred sixty-eight million, one hundred sixty-six thousand, nine hundred twenty-seven".