2543500112403 has 8 divisors (see below), whose sum is σ = 3398689956816. Its totient is φ = 1691988504800.

The previous prime is 2543500112381. The next prime is 2543500112473. The reversal of 2543500112403 is 3042110053452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2543500112403 - 2¹⁰ = 2543500111379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2543500112473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 919557588 + ... + 919560353.

It is an arithmetic number, because the mean of its divisors is an integer number (424836244602).

Almost surely, 2^{2543500112403} is an apocalyptic number.

2543500112403 is a deficient number, since it is larger than the sum of its proper divisors (855189844413).

2543500112403 is a wasteful number, since it uses less digits than its factorization.

2543500112403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1839118405.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 2543500112403 its reverse (3042110053452), we get a palindrome (5585610165855).

The spelling of 2543500112403 in words is "two trillion, five hundred forty-three billion, five hundred million, one hundred twelve thousand, four hundred three".