2605125842211 has 4 divisors (see below), whose sum is σ = 3473501122952. Its totient is φ = 1736750561472.

The previous prime is 2605125842201. The next prime is 2605125842233. The reversal of 2605125842211 is 1122485215062.

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

It is not a de Polignac number, because 2605125842211 - 2¹⁹ = 2605125317923 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2605125842211.

It is not an unprimeable number, because it can be changed into a prime (2605125842201) 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, 434187640366 + ... + 434187640371.

It is an arithmetic number, because the mean of its divisors is an integer number (868375280738).

Almost surely, 2^{2605125842211} is an apocalyptic number.

2605125842211 is a deficient number, since it is larger than the sum of its proper divisors (868375280741).

2605125842211 is an equidigital number, since it uses as much as digits as its factorization.

2605125842211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868375280740.

The product of its (nonzero) digits is 76800, while the sum is 39.

The spelling of 2605125842211 in words is "two trillion, six hundred five billion, one hundred twenty-five million, eight hundred forty-two thousand, two hundred eleven".