1111060081 has 2 divisors, whose sum is σ = 1111060082. Its totient is φ = 1111060080.

The previous prime is 1111060021. The next prime is 1111060117. The reversal of 1111060081 is 1800601111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1011240000 + 99820081 = 31800^2 + 9991^2 .

It is a cyclic number.

It is not a de Polignac number, because 1111060081 - 2¹³ = 1111051889 is a prime.

It is a super-2 number, since 2×1111060081² = 2468909007183453122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1111060001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555530040 + 555530041.

It is an arithmetic number, because the mean of its divisors is an integer number (555530041).

Almost surely, 2^1111060081 is an apocalyptic number.

It is an amenable number.

1111060081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111060081 is an equidigital number, since it uses as much as digits as its factorization.

1111060081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 19.

The square root of 1111060081 is about 33332.5678728777. The cubic root of 1111060081 is about 1035.7283121665.

Adding to 1111060081 its reverse (1800601111), we get a palindrome (2911661192).

The spelling of 1111060081 in words is "one billion, one hundred eleven million, sixty thousand, eighty-one".