111025345 has 16 divisors (see below), whose sum is σ = 137661840. Its totient is φ = 85895424.

The previous prime is 111025319. The next prime is 111025349. The reversal of 111025345 is 543520111.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 859329 + 110166016 = 927^2 + 10496^2 .

It is a cyclic number.

It is not a de Polignac number, because 111025345 - 2¹⁹ = 110501057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111025349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30271 + ... + 33739.

It is an arithmetic number, because the mean of its divisors is an integer number (8603865).

Almost surely, 2^111025345 is an apocalyptic number.

It is an amenable number.

111025345 is a deficient number, since it is larger than the sum of its proper divisors (26636495).

111025345 is a wasteful number, since it uses less digits than its factorization.

111025345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3684.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 111025345 is about 10536.8565046697. The cubic root of 111025345 is about 480.6261287918.

Adding to 111025345 its reverse (543520111), we get a palindrome (654545456).

The spelling of 111025345 in words is "one hundred eleven million, twenty-five thousand, three hundred forty-five".