111066893289 has 27 divisors (see below), whose sum is σ = 176357828829. Its totient is φ = 67306603320.

The previous prime is 111066893167. The next prime is 111066893321. The reversal of 111066893289 is 982398660111.

The square root of 111066893289 is 333267.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 111066893289 - 2¹⁵ = 111066860521 is a prime.

It is a super-2 number, since 2×111066893289² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111066893489) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 10992762 + ... + 11002860.

Almost surely, 2^111066893289 is an apocalyptic number.

111066893289 is the 333267-th square number.

111066893289 is the 166634-th centered octagonal number.

It is an amenable number.

111066893289 is a deficient number, since it is larger than the sum of its proper divisors (65290935540).

111066893289 is an frugal number, since it uses more digits than its factorization.

111066893289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20226 (or 10113 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 54.

The spelling of 111066893289 in words is "one hundred eleven billion, sixty-six million, eight hundred ninety-three thousand, two hundred eighty-nine".