111332110643666 has 32 divisors (see below), whose sum is σ = 182809222617600. Its totient is φ = 50430958346880.

The previous prime is 111332110643647. The next prime is 111332110643771. The reversal of 111332110643666 is 666346011233111.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 517790 + ... + 14930918.

It is an arithmetic number, because the mean of its divisors is an integer number (5712788206800).

Almost surely, 2^{111332110643666} is an apocalyptic number.

111332110643666 is a deficient number, since it is larger than the sum of its proper divisors (71477111973934).

111332110643666 is a wasteful number, since it uses less digits than its factorization.

111332110643666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14414354.

The product of its (nonzero) digits is 279936, while the sum is 44.

Adding to 111332110643666 its reverse (666346011233111), we get a palindrome (777678121876777).

The spelling of 111332110643666 in words is "one hundred eleven trillion, three hundred thirty-two billion, one hundred ten million, six hundred forty-three thousand, six hundred sixty-six".