1111365859 has 2 divisors, whose sum is σ = 1111365860. Its totient is φ = 1111365858.

The previous prime is 1111365821. The next prime is 1111365863. The reversal of 1111365859 is 9585631111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1111365859 - 2²¹ = 1109268707 is a prime.

It is not a weakly prime, because it can be changed into another prime (1111363859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555682929 + 555682930.

It is an arithmetic number, because the mean of its divisors is an integer number (555682930).

Almost surely, 2^1111365859 is an apocalyptic number.

1111365859 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111365859 is an equidigital number, since it uses as much as digits as its factorization.

1111365859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32400, while the sum is 40.

The square root of 1111365859 is about 33337.1543326661. The cubic root of 1111365859 is about 1035.8233186947.

The spelling of 1111365859 in words is "one billion, one hundred eleven million, three hundred sixty-five thousand, eight hundred fifty-nine".