2065205226553 has 4 divisors (see below), whose sum is σ = 2360234544640. Its totient is φ = 1770175908468.

The previous prime is 2065205226529. The next prime is 2065205226571. The reversal of 2065205226553 is 3556225025602.

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 2065205226553 - 2²¹ = 2065203129401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2065205226583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147514659033 + ... + 147514659046.

It is an arithmetic number, because the mean of its divisors is an integer number (590058636160).

Almost surely, 2^{2065205226553} is an apocalyptic number.

It is an amenable number.

2065205226553 is a deficient number, since it is larger than the sum of its proper divisors (295029318087).

2065205226553 is an equidigital number, since it uses as much as digits as its factorization.

2065205226553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295029318086.

The product of its (nonzero) digits is 1080000, while the sum is 43.

The spelling of 2065205226553 in words is "two trillion, sixty-five billion, two hundred five million, two hundred twenty-six thousand, five hundred fifty-three".