111554041 has 2 divisors, whose sum is σ = 111554042. Its totient is φ = 111554040.

The previous prime is 111553991. The next prime is 111554059. The reversal of 111554041 is 140455111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94090000 + 17464041 = 9700^2 + 4179^2 .

It is a cyclic number.

It is not a de Polignac number, because 111554041 - 2⁷ = 111553913 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (111554441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55777020 + 55777021.

It is an arithmetic number, because the mean of its divisors is an integer number (55777021).

Almost surely, 2^111554041 is an apocalyptic number.

It is an amenable number.

111554041 is a deficient number, since it is larger than the sum of its proper divisors (1).

111554041 is an equidigital number, since it uses as much as digits as its factorization.

111554041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 111554041 is about 10561.9146465023. The cubic root of 111554041 is about 481.3878252346.

The spelling of 111554041 in words is "one hundred eleven million, five hundred fifty-four thousand, forty-one".