111114691 has 2 divisors, whose sum is σ = 111114692. Its totient is φ = 111114690.

The previous prime is 111114677. The next prime is 111114697. The reversal of 111114691 is 196411111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111114691 - 2¹⁷ = 110983619 is a prime.

It is not a weakly prime, because it can be changed into another prime (111114697) 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 as a sum of consecutive naturals, namely, 55557345 + 55557346.

It is an arithmetic number, because the mean of its divisors is an integer number (55557346).

Almost surely, 2^111114691 is an apocalyptic number.

111114691 is a deficient number, since it is larger than the sum of its proper divisors (1).

111114691 is an equidigital number, since it uses as much as digits as its factorization.

111114691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216, while the sum is 25.

The square root of 111114691 is about 10541.0953415667. The cubic root of 111114691 is about 480.7550198069.

The spelling of 111114691 in words is "one hundred eleven million, one hundred fourteen thousand, six hundred ninety-one".