111960025 has 24 divisors (see below), whose sum is σ = 141419520. Its totient is φ = 87917760.

The previous prime is 111959999. The next prime is 111960029. The reversal of 111960025 is 520069111.

It is not a de Polignac number, because 111960025 - 2²¹ = 109862873 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (111960029) 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, 568227 + ... + 568423.

It is an arithmetic number, because the mean of its divisors is an integer number (5892480).

Almost surely, 2^111960025 is an apocalyptic number.

It is an amenable number.

111960025 is a deficient number, since it is larger than the sum of its proper divisors (29459495).

111960025 is a wasteful number, since it uses less digits than its factorization.

111960025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513 (or 508 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 25.

The square root of 111960025 is about 10581.1164344789. The cubic root of 111960025 is about 481.9710975363.

The spelling of 111960025 in words is "one hundred eleven million, nine hundred sixty thousand, twenty-five".