1311111059 has 2 divisors, whose sum is σ = 1311111060. Its totient is φ = 1311111058.

The previous prime is 1311111037. The next prime is 1311111101. The reversal of 1311111059 is 9501111131.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1311111059 is a prime.

It is not a weakly prime, because it can be changed into another prime (1311111029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655555529 + 655555530.

It is an arithmetic number, because the mean of its divisors is an integer number (655555530).

Almost surely, 2^1311111059 is an apocalyptic number.

1311111059 is a deficient number, since it is larger than the sum of its proper divisors (1).

1311111059 is an equidigital number, since it uses as much as digits as its factorization.

1311111059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 135, while the sum is 23.

The square root of 1311111059 is about 36209.2675844182. The cubic root of 1311111059 is about 1094.4934331829.

The spelling of 1311111059 in words is "one billion, three hundred eleven million, one hundred eleven thousand, fifty-nine".