269138111568 has 20 divisors (see below), whose sum is σ = 695273455008. Its totient is φ = 89712703840.

The previous prime is 269138111563. The next prime is 269138111597. The reversal of 269138111568 is 865111831962.

269138111568 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 269138111568.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (269138111563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2803521948 + ... + 2803522043.

Almost surely, 2^269138111568 is an apocalyptic number.

It is an amenable number.

269138111568 is an abundant number, since it is smaller than the sum of its proper divisors (426135343440).

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

269138111568 is a wasteful number, since it uses less digits than its factorization.

269138111568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5607044002 (or 5607043996 counting only the distinct ones).

The product of its digits is 622080, while the sum is 51.

The spelling of 269138111568 in words is "two hundred sixty-nine billion, one hundred thirty-eight million, one hundred eleven thousand, five hundred sixty-eight".