2585515011 has 16 divisors (see below), whose sum is σ = 3466936704. Its totient is φ = 1713913344.

The previous prime is 2585514991. The next prime is 2585515021. The reversal of 2585515011 is 1105155852.

It is a de Polignac number, because none of the positive numbers 2^k-2585515011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2585515021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 404835 + ... + 411171.

It is an arithmetic number, because the mean of its divisors is an integer number (216683544).

Almost surely, 2^2585515011 is an apocalyptic number.

2585515011 is a deficient number, since it is larger than the sum of its proper divisors (881421693).

2585515011 is a wasteful number, since it uses less digits than its factorization.

2585515011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7090.

The product of its (nonzero) digits is 10000, while the sum is 33.

The square root of 2585515011 is about 50847.9597525800. The cubic root of 2585515011 is about 1372.5105387693.

The spelling of 2585515011 in words is "two billion, five hundred eighty-five million, five hundred fifteen thousand, eleven".