2585078611 has 4 divisors (see below), whose sum is σ = 2721135400. Its totient is φ = 2449021824.

The previous prime is 2585078597. The next prime is 2585078627. The reversal of 2585078611 is 1168705852.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2585078611 - 2⁹ = 2585078099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2585078641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68028366 + ... + 68028403.

It is an arithmetic number, because the mean of its divisors is an integer number (680283850).

Almost surely, 2^2585078611 is an apocalyptic number.

2585078611 is a deficient number, since it is larger than the sum of its proper divisors (136056789).

2585078611 is a wasteful number, since it uses less digits than its factorization.

2585078611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136056788.

The product of its (nonzero) digits is 134400, while the sum is 43.

The square root of 2585078611 is about 50843.6683471993. The cubic root of 2585078611 is about 1372.4333140128.

The spelling of 2585078611 in words is "two billion, five hundred eighty-five million, seventy-eight thousand, six hundred eleven".