111349291 has 8 divisors (see below), whose sum is σ = 117638480. Its totient is φ = 105103008.

The previous prime is 111349289. The next prime is 111349319. The reversal of 111349291 is 192943111.

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

It is a cyclic number.

It is not a de Polignac number, because 111349291 - 2¹ = 111349289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111349211) 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, 5316 + ... + 15841.

It is an arithmetic number, because the mean of its divisors is an integer number (14704810).

Almost surely, 2^111349291 is an apocalyptic number.

111349291 is a deficient number, since it is larger than the sum of its proper divisors (6289189).

111349291 is a wasteful number, since it uses less digits than its factorization.

111349291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21453.

The product of its digits is 1944, while the sum is 31.

The square root of 111349291 is about 10552.2173499222. The cubic root of 111349291 is about 481.0931264485.

The spelling of 111349291 in words is "one hundred eleven million, three hundred forty-nine thousand, two hundred ninety-one".