911142241 has 2 divisors, whose sum is σ = 911142242. Its totient is φ = 911142240.

The previous prime is 911142233. The next prime is 911142257. The reversal of 911142241 is 142241119.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 907756641 + 3385600 = 30129^2 + 1840^2 .

It is a cyclic number.

It is not a de Polignac number, because 911142241 - 2³ = 911142233 is a prime.

It is not a weakly prime, because it can be changed into another prime (911146241) 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, 455571120 + 455571121.

It is an arithmetic number, because the mean of its divisors is an integer number (455571121).

Almost surely, 2^911142241 is an apocalyptic number.

It is an amenable number.

911142241 is a deficient number, since it is larger than the sum of its proper divisors (1).

911142241 is an equidigital number, since it uses as much as digits as its factorization.

911142241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 576, while the sum is 25.

The square root of 911142241 is about 30185.1327808907. The cubic root of 911142241 is about 969.4573934148.

The spelling of 911142241 in words is "nine hundred eleven million, one hundred forty-two thousand, two hundred forty-one".