111125668 has 12 divisors (see below), whose sum is σ = 205909452. Its totient is φ = 52294400.

The previous prime is 111125633. The next prime is 111125681. The reversal of 111125668 is 866521111.

It can be written as a sum of positive squares in 2 ways, for example, as 53699584 + 57426084 = 7328^2 + 7578^2 .

It is a plaindrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 817033 + ... + 817168.

It is an arithmetic number, because the mean of its divisors is an integer number (17159121).

Almost surely, 2^111125668 is an apocalyptic number.

It is an amenable number.

111125668 is a deficient number, since it is larger than the sum of its proper divisors (94783784).

111125668 is a wasteful number, since it uses less digits than its factorization.

111125668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1634222 (or 1634220 counting only the distinct ones).

The product of its digits is 2880, while the sum is 31.

The square root of 111125668 is about 10541.6160051484. The cubic root of 111125668 is about 480.7708505191.

Adding to 111125668 its reverse (866521111), we get a palindrome (977646779).

The spelling of 111125668 in words is "one hundred eleven million, one hundred twenty-five thousand, six hundred sixty-eight".