2543513200103 has 4 divisors (see below), whose sum is σ = 2556692025168. Its totient is φ = 2530334375040.

The previous prime is 2543513200099. The next prime is 2543513200139. The reversal of 2543513200103 is 3010023153452.

It is a happy number.

2543513200103 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 2543513200103 - 2² = 2543513200099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2543513202103) 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, 6589412243 + ... + 6589412628.

It is an arithmetic number, because the mean of its divisors is an integer number (639173006292).

Almost surely, 2^{2543513200103} is an apocalyptic number.

2543513200103 is a deficient number, since it is larger than the sum of its proper divisors (13178825065).

2543513200103 is a wasteful number, since it uses less digits than its factorization.

2543513200103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13178825064.

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 2543513200103 its reverse (3010023153452), we get a palindrome (5553536353555).

The spelling of 2543513200103 in words is "two trillion, five hundred forty-three billion, five hundred thirteen million, two hundred thousand, one hundred three".