11538868166711 has 8 divisors (see below), whose sum is σ = 12547831202640. Its totient is φ = 10566594695808.

The previous prime is 11538868166699. The next prime is 11538868166731. The reversal of 11538868166711 is 11766186883511.

11538868166711 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11538868166711 - 2³⁴ = 11521688297527 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 (11538868166731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9172390601 + ... + 9172391858.

It is an arithmetic number, because the mean of its divisors is an integer number (1568478900330).

Almost surely, 2^{11538868166711} is an apocalyptic number.

11538868166711 is a deficient number, since it is larger than the sum of its proper divisors (1008963035929).

11538868166711 is a wasteful number, since it uses less digits than its factorization.

11538868166711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18344782513.

The product of its digits is 11612160, while the sum is 62.

The spelling of 11538868166711 in words is "eleven trillion, five hundred thirty-eight billion, eight hundred sixty-eight million, one hundred sixty-six thousand, seven hundred eleven".