11543001166 has 8 divisors (see below), whose sum is σ = 17315124264. Its totient is φ = 5771293080.

The previous prime is 11543001161. The next prime is 11543001179. The reversal of 11543001166 is 66110034511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11543001161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21025 + ... + 153388.

It is an arithmetic number, because the mean of its divisors is an integer number (2164390533).

Almost surely, 2^11543001166 is an apocalyptic number.

11543001166 is a deficient number, since it is larger than the sum of its proper divisors (5772123098).

11543001166 is a wasteful number, since it uses less digits than its factorization.

11543001166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207506.

The product of its (nonzero) digits is 2160, while the sum is 28.

Adding to 11543001166 its reverse (66110034511), we get a palindrome (77653035677).

The spelling of 11543001166 in words is "eleven billion, five hundred forty-three million, one thousand, one hundred sixty-six".