2001111059 has 2 divisors, whose sum is σ = 2001111060. Its totient is φ = 2001111058.

The previous prime is 2001111029. The next prime is 2001111061. The reversal of 2001111059 is 9501111002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2001111059 - 2¹² = 2001106963 is a prime.

Together with 2001111061, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2001111059.

It is not a weakly prime, because it can be changed into another prime (2001111029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000555529 + 1000555530.

It is an arithmetic number, because the mean of its divisors is an integer number (1000555530).

Almost surely, 2^2001111059 is an apocalyptic number.

2001111059 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001111059 is an equidigital number, since it uses as much as digits as its factorization.

2001111059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90, while the sum is 20.

The square root of 2001111059 is about 44733.7798425306. The cubic root of 2001111059 is about 1260.1543144754.

The spelling of 2001111059 in words is "two billion, one million, one hundred eleven thousand, fifty-nine".