111260261 has 8 divisors (see below), whose sum is σ = 128466240. Its totient is φ = 94382208.

The previous prime is 111260231. The next prime is 111260297. The reversal of 111260261 is 162062111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111260261 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111260231) 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 7 ways as a sum of consecutive naturals, for example, 81251 + ... + 82608.

It is an arithmetic number, because the mean of its divisors is an integer number (16058280).

Almost surely, 2^111260261 is an apocalyptic number.

It is an amenable number.

111260261 is a deficient number, since it is larger than the sum of its proper divisors (17205979).

111260261 is an equidigital number, since it uses as much as digits as its factorization.

111260261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163963.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 111260261 is about 10547.9979616987. The cubic root of 111260261 is about 480.9648719525.

The spelling of 111260261 in words is "one hundred eleven million, two hundred sixty thousand, two hundred sixty-one".