111349369 has 8 divisors (see below), whose sum is σ = 112775688. Its totient is φ = 109929600.

The previous prime is 111349361. The next prime is 111349411. The reversal of 111349369 is 963943111.

It can be written as a sum of positive squares in 4 ways, for example, as 33698025 + 77651344 = 5805^2 + 8812^2 .

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 111349369 - 2³ = 111349361 is a prime.

It is a super-2 number, since 2×111349369² = 24797363953396322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111349361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38709 + ... + 41485.

It is an arithmetic number, because the mean of its divisors is an integer number (14096961).

Almost surely, 2^111349369 is an apocalyptic number.

It is an amenable number.

111349369 is a deficient number, since it is larger than the sum of its proper divisors (1426319).

111349369 is a wasteful number, since it uses less digits than its factorization.

111349369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3275.

The product of its digits is 17496, while the sum is 37.

The square root of 111349369 is about 10552.2210458273. The cubic root of 111349369 is about 481.0932387834.

It can be divided in two parts, 11134 and 9369, that added together give a triangular number (20503 = T₂₀₂).

The spelling of 111349369 in words is "one hundred eleven million, three hundred forty-nine thousand, three hundred sixty-nine".