111540007 has 2 divisors, whose sum is σ = 111540008. Its totient is φ = 111540006.

The previous prime is 111539999. The next prime is 111540017. The reversal of 111540007 is 700045111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111540007 - 2³ = 111539999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111540017) 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, 55770003 + 55770004.

It is an arithmetic number, because the mean of its divisors is an integer number (55770004).

Almost surely, 2^111540007 is an apocalyptic number.

111540007 is a deficient number, since it is larger than the sum of its proper divisors (1).

111540007 is an equidigital number, since it uses as much as digits as its factorization.

111540007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 140, while the sum is 19.

The square root of 111540007 is about 10561.2502574269. The cubic root of 111540007 is about 481.3676374703.

Adding to 111540007 its reverse (700045111), we get a palindrome (811585118).

The spelling of 111540007 in words is "one hundred eleven million, five hundred forty thousand, seven".