111111010606 has 16 divisors (see below), whose sum is σ = 166843788768. Its totient is φ = 55496448000.

The previous prime is 111111010603. The next prime is 111111010607. The reversal of 111111010606 is 606010111111.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111111010603) 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, 8930566 + ... + 8942998.

It is an arithmetic number, because the mean of its divisors is an integer number (10427736798).

Almost surely, 2^111111010606 is an apocalyptic number.

111111010606 is a deficient number, since it is larger than the sum of its proper divisors (55732778162).

111111010606 is a wasteful number, since it uses less digits than its factorization.

111111010606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16827.

The product of its (nonzero) digits is 36, while the sum is 19.

Adding to 111111010606 its reverse (606010111111), we get a palindrome (717121121717).

The spelling of 111111010606 in words is "one hundred eleven billion, one hundred eleven million, ten thousand, six hundred six".