1111132112009 has 2 divisors, whose sum is σ = 1111132112010. Its totient is φ = 1111132112008.

The previous prime is 1111132112003. The next prime is 1111132112071. The reversal of 1111132112009 is 9002112311111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 929951635600 + 181180476409 = 964340^2 + 425653^2 .

It is a cyclic number.

It is not a de Polignac number, because 1111132112009 - 2²⁸ = 1110863676553 is a prime.

It is a super-2 number, since 2×1111132112009² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1111132112003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555566056004 + 555566056005.

It is an arithmetic number, because the mean of its divisors is an integer number (555566056005).

Almost surely, 2^{1111132112009} is an apocalyptic number.

It is an amenable number.

1111132112009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111132112009 is an equidigital number, since it uses as much as digits as its factorization.

1111132112009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 23.

The spelling of 1111132112009 in words is "one trillion, one hundred eleven billion, one hundred thirty-two million, one hundred twelve thousand, nine".