2541356522563 has 4 divisors (see below), whose sum is σ = 2567556074440. Its totient is φ = 2515156970688.

The previous prime is 2541356522521. The next prime is 2541356522611. The reversal of 2541356522563 is 3652256531452.

It is a happy number.

2541356522563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2541356522563 - 2³³ = 2532766587971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2541356552563) 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, 13099775793 + ... + 13099775986.

It is an arithmetic number, because the mean of its divisors is an integer number (641889018610).

Almost surely, 2^{2541356522563} is an apocalyptic number.

2541356522563 is a deficient number, since it is larger than the sum of its proper divisors (26199551877).

2541356522563 is an equidigital number, since it uses as much as digits as its factorization.

2541356522563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26199551876.

The product of its digits is 6480000, while the sum is 49.

The spelling of 2541356522563 in words is "two trillion, five hundred forty-one billion, three hundred fifty-six million, five hundred twenty-two thousand, five hundred sixty-three".