111040025 has 6 divisors (see below), whose sum is σ = 137689662. Its totient is φ = 88832000.

The previous prime is 111040003. The next prime is 111040031. The reversal of 111040025 is 520040111.

It can be written as a sum of positive squares in 3 ways, for example, as 13366336 + 97673689 = 3656^2 + 9883^2 .

It is not a de Polignac number, because 111040025 - 2⁶ = 111039961 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111039991 and 111040009.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2220776 + ... + 2220825.

It is an arithmetic number, because the mean of its divisors is an integer number (22948277).

Almost surely, 2^111040025 is an apocalyptic number.

It is an amenable number.

111040025 is a deficient number, since it is larger than the sum of its proper divisors (26649637).

111040025 is an equidigital number, since it uses as much as digits as its factorization.

111040025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4441611 (or 4441606 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 111040025 is about 10537.5530840893. The cubic root of 111040025 is about 480.6473109841.

Adding to 111040025 its reverse (520040111), we get a palindrome (631080136).

The spelling of 111040025 in words is "one hundred eleven million, forty thousand, twenty-five".