2585511191 has 2 divisors, whose sum is σ = 2585511192. Its totient is φ = 2585511190.

The previous prime is 2585511151. The next prime is 2585511193. The reversal of 2585511191 is 1911155852.

2585511191 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2585511191 - 2³⁰ = 1511769367 is a prime.

It is a Sophie Germain prime.

Together with 2585511193, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2585511193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1292755595 + 1292755596.

It is an arithmetic number, because the mean of its divisors is an integer number (1292755596).

Almost surely, 2^2585511191 is an apocalyptic number.

2585511191 is a deficient number, since it is larger than the sum of its proper divisors (1).

2585511191 is an equidigital number, since it uses as much as digits as its factorization.

2585511191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18000, while the sum is 38.

The square root of 2585511191 is about 50847.9221896038. The cubic root of 2585511191 is about 1372.5098628250.

The spelling of 2585511191 in words is "two billion, five hundred eighty-five million, five hundred eleven thousand, one hundred ninety-one".