111133566690 has 16 divisors (see below), whose sum is σ = 266720560128. Its totient is φ = 29635617776.

The previous prime is 111133566667. The next prime is 111133566703. The reversal of 111133566690 is 96665331111.

It is a happy number.

It is a super-2 number, since 2×111133566690² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1852226082 + ... + 1852226141.

It is an arithmetic number, because the mean of its divisors is an integer number (16670035008).

Almost surely, 2^111133566690 is an apocalyptic number.

111133566690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111133566690 is an abundant number, since it is smaller than the sum of its proper divisors (155586993438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111133566690 is a wasteful number, since it uses less digits than its factorization.

111133566690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3704452233.

The product of its (nonzero) digits is 87480, while the sum is 42.

The spelling of 111133566690 in words is "one hundred eleven billion, one hundred thirty-three million, five hundred sixty-six thousand, six hundred ninety".