111140425 has 24 divisors (see below), whose sum is σ = 155204352. Its totient is φ = 78216000.

The previous prime is 111140387. The next prime is 111140429. The reversal of 111140425 is 524041111.

It is not a de Polignac number, because 111140425 - 2¹⁹ = 110616137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111140429) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 2007 + ... + 15043.

It is an arithmetic number, because the mean of its divisors is an integer number (6466848).

Almost surely, 2^111140425 is an apocalyptic number.

It is an amenable number.

111140425 is a deficient number, since it is larger than the sum of its proper divisors (44063927).

111140425 is a wasteful number, since it uses less digits than its factorization.

111140425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13089 (or 13084 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 111140425 is about 10542.3159220353. The cubic root of 111140425 is about 480.7921309953.

Adding to 111140425 its reverse (524041111), we get a palindrome (635181536).

The spelling of 111140425 in words is "one hundred eleven million, one hundred forty thousand, four hundred twenty-five".