11573482566 has 16 divisors (see below), whose sum is σ = 23154447600. Its totient is φ = 3856580448.

The previous prime is 11573482537. The next prime is 11573482573. The reversal of 11573482566 is 66528437511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 291561 + ... + 328868.

It is an arithmetic number, because the mean of its divisors is an integer number (1447152975).

Almost surely, 2^11573482566 is an apocalyptic number.

11573482566 is an abundant number, since it is smaller than the sum of its proper divisors (11580965034).

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

11573482566 is a wasteful number, since it uses less digits than its factorization.

11573482566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623543.

The product of its digits is 1209600, while the sum is 48.

The spelling of 11573482566 in words is "eleven billion, five hundred seventy-three million, four hundred eighty-two thousand, five hundred sixty-six".