1111141439 has 2 divisors, whose sum is σ = 1111141440. Its totient is φ = 1111141438.

The previous prime is 1111141391. The next prime is 1111141469. The reversal of 1111141439 is 9341411111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1111141439 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111141469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555570719 + 555570720.

It is an arithmetic number, because the mean of its divisors is an integer number (555570720).

Almost surely, 2^1111141439 is an apocalyptic number.

1111141439 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111141439 is an equidigital number, since it uses as much as digits as its factorization.

1111141439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432, while the sum is 26.

The square root of 1111141439 is about 33333.7882485624. The cubic root of 1111141439 is about 1035.7535921458.

The spelling of 1111141439 in words is "one billion, one hundred eleven million, one hundred forty-one thousand, four hundred thirty-nine".