111161255 has 8 divisors (see below), whose sum is σ = 133458624. Its totient is φ = 88885600.

The previous prime is 111161243. The next prime is 111161269. The reversal of 111161255 is 552161111.

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

It is not a de Polignac number, because 111161255 - 2¹² = 111157159 is a prime.

It is a super-2 number, since 2×111161255² = 24713649226350050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111161255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9650 + ... + 17760.

It is an arithmetic number, because the mean of its divisors is an integer number (16682328).

Almost surely, 2^111161255 is an apocalyptic number.

111161255 is a deficient number, since it is larger than the sum of its proper divisors (22297369).

111161255 is an equidigital number, since it uses as much as digits as its factorization.

111161255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10857.

The product of its digits is 300, while the sum is 23.

The square root of 111161255 is about 10543.3037990945. The cubic root of 111161255 is about 480.8221658948.

The spelling of 111161255 in words is "one hundred eleven million, one hundred sixty-one thousand, two hundred fifty-five".