11535052566 has 16 divisors (see below), whose sum is σ = 23120154288. Its totient is φ = 3836676000.

The previous prime is 11535052547. The next prime is 11535052567. The reversal of 11535052566 is 66525053511.

It is a zygodrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11535052567) 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, 2082385 + ... + 2087916.

It is an arithmetic number, because the mean of its divisors is an integer number (1445009643).

Almost surely, 2^11535052566 is an apocalyptic number.

11535052566 is an abundant number, since it is smaller than the sum of its proper divisors (11585101722).

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

11535052566 is a wasteful number, since it uses less digits than its factorization.

11535052566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4170767.

The product of its (nonzero) digits is 135000, while the sum is 39.

The spelling of 11535052566 in words is "eleven billion, five hundred thirty-five million, fifty-two thousand, five hundred sixty-six".