11668287836263 has 4 divisors (see below), whose sum is σ = 11669364555400. Its totient is φ = 11667211117128.

The previous prime is 11668287836243. The next prime is 11668287836267. The reversal of 11668287836263 is 36263878286611.

11668287836263 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 11668287836263 - 2⁹ = 11668287835751 is a prime.

It is a super-2 number, since 2×11668287836263² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11668287836267) 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, 538343313 + ... + 538364986.

It is an arithmetic number, because the mean of its divisors is an integer number (2917341138850).

Almost surely, 2^{11668287836263} is an apocalyptic number.

11668287836263 is a deficient number, since it is larger than the sum of its proper divisors (1076719137).

11668287836263 is a wasteful number, since it uses less digits than its factorization.

11668287836263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076719136.

The product of its digits is 167215104, while the sum is 67.

The spelling of 11668287836263 in words is "eleven trillion, six hundred sixty-eight billion, two hundred eighty-seven million, eight hundred thirty-six thousand, two hundred sixty-three".