11166565141 has 16 divisors (see below), whose sum is σ = 11882808000. Its totient is φ = 10457061120.

The previous prime is 11166565133. The next prime is 11166565153. The reversal of 11166565141 is 14156566111.

It is a cyclic number.

It is not a de Polignac number, because 11166565141 - 2³ = 11166565133 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11166565141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11166565441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3189610 + ... + 3193108.

It is an arithmetic number, because the mean of its divisors is an integer number (742675500).

Almost surely, 2^11166565141 is an apocalyptic number.

It is an amenable number.

11166565141 is a deficient number, since it is larger than the sum of its proper divisors (716242859).

11166565141 is a wasteful number, since it uses less digits than its factorization.

11166565141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4404.

The product of its digits is 21600, while the sum is 37.

The spelling of 11166565141 in words is "eleven billion, one hundred sixty-six million, five hundred sixty-five thousand, one hundred forty-one".