11365740566 has 16 divisors (see below), whose sum is σ = 17091813888. Its totient is φ = 5668488000.

The previous prime is 11365740557. The next prime is 11365740569. The reversal of 11365740566 is 66504756311.

It is a super-2 number, since 2×11365740566² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11365740569) 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, 1499426 + ... + 1506986.

It is an arithmetic number, because the mean of its divisors is an integer number (1068238368).

Almost surely, 2^11365740566 is an apocalyptic number.

11365740566 is a deficient number, since it is larger than the sum of its proper divisors (5726073322).

11365740566 is a wasteful number, since it uses less digits than its factorization.

11365740566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9367.

The product of its (nonzero) digits is 453600, while the sum is 44.

The spelling of 11365740566 in words is "eleven billion, three hundred sixty-five million, seven hundred forty thousand, five hundred sixty-six".