2585116145 has 16 divisors (see below), whose sum is σ = 3135325440. Its totient is φ = 2046009024.

The previous prime is 2585116139. The next prime is 2585116147. The reversal of 2585116145 is 5416115852.

It is a cyclic number.

It is not a de Polignac number, because 2585116145 - 2⁴ = 2585116129 is a prime.

It is a super-2 number, since 2×2585116145² = 13365650966279322050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2585116099 and 2585116108.

It is not an unprimeable number, because it can be changed into a prime (2585116147) 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, 743471 + ... + 746939.

It is an arithmetic number, because the mean of its divisors is an integer number (195957840).

Almost surely, 2^2585116145 is an apocalyptic number.

It is an amenable number.

2585116145 is a deficient number, since it is larger than the sum of its proper divisors (550209295).

2585116145 is a wasteful number, since it uses less digits than its factorization.

2585116145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5024.

The product of its digits is 48000, while the sum is 38.

The square root of 2585116145 is about 50844.0374577000. The cubic root of 2585116145 is about 1372.4399563205.

The spelling of 2585116145 in words is "two billion, five hundred eighty-five million, one hundred sixteen thousand, one hundred forty-five".