1081117441 has 2 divisors, whose sum is σ = 1081117442. Its totient is φ = 1081117440.

The previous prime is 1081117421. The next prime is 1081117447. The reversal of 1081117441 is 1447111801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 714011841 + 367105600 = 26721^2 + 19160^2 .

It is a cyclic number.

It is not a de Polignac number, because 1081117441 - 2⁵ = 1081117409 is a prime.

It is not a weakly prime, because it can be changed into another prime (1081117447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 540558720 + 540558721.

It is an arithmetic number, because the mean of its divisors is an integer number (540558721).

Almost surely, 2^1081117441 is an apocalyptic number.

It is an amenable number.

1081117441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1081117441 is an equidigital number, since it uses as much as digits as its factorization.

1081117441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 28.

The square root of 1081117441 is about 32880.3503783035. The cubic root of 1081117441 is about 1026.3392973758.

The spelling of 1081117441 in words is "one billion, eighty-one million, one hundred seventeen thousand, four hundred forty-one".