2585331081101 has 4 divisors (see below), whose sum is σ = 2591220218400. Its totient is φ = 2579441943804.

The previous prime is 2585331081097. The next prime is 2585331081103. The reversal of 2585331081101 is 1011801335852.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2585331081101 - 2² = 2585331081097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2585331081103) 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, 2944567991 + ... + 2944568868.

It is an arithmetic number, because the mean of its divisors is an integer number (647805054600).

Almost surely, 2^{2585331081101} is an apocalyptic number.

It is an amenable number.

2585331081101 is a deficient number, since it is larger than the sum of its proper divisors (5889137299).

2585331081101 is an equidigital number, since it uses as much as digits as its factorization.

2585331081101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5889137298.

The product of its (nonzero) digits is 28800, while the sum is 38.

The spelling of 2585331081101 in words is "two trillion, five hundred eighty-five billion, three hundred thirty-one million, eighty-one thousand, one hundred one".