11540171864222 has 16 divisors (see below), whose sum is σ = 18333111269760. Its totient is φ = 5432861016792.

The previous prime is 11540171864209. The next prime is 11540171864257. The reversal of 11540171864222 is 22246817104511.

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, 931554338 + ... + 931566725.

It is an arithmetic number, because the mean of its divisors is an integer number (1145819454360).

Almost surely, 2^{11540171864222} is an apocalyptic number.

11540171864222 is a deficient number, since it is larger than the sum of its proper divisors (6792939405538).

11540171864222 is a wasteful number, since it uses less digits than its factorization.

11540171864222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1863121247.

The product of its (nonzero) digits is 215040, while the sum is 44.

Adding to 11540171864222 its reverse (22246817104511), we get a palindrome (33786988968733).

The spelling of 11540171864222 in words is "eleven trillion, five hundred forty billion, one hundred seventy-one million, eight hundred sixty-four thousand, two hundred twenty-two".