2543503115254 has 4 divisors (see below), whose sum is σ = 3815254672884. Its totient is φ = 1271751557626.

The previous prime is 2543503115233. The next prime is 2543503115327. The reversal of 2543503115254 is 4525113053452.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 635875778812 + ... + 635875778815.

It is an arithmetic number, because the mean of its divisors is an integer number (953813668221).

Almost surely, 2^{2543503115254} is an apocalyptic number.

2543503115254 is a deficient number, since it is larger than the sum of its proper divisors (1271751557630).

2543503115254 is a wasteful number, since it uses less digits than its factorization.

2543503115254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271751557629.

The product of its (nonzero) digits is 360000, while the sum is 40.

The spelling of 2543503115254 in words is "two trillion, five hundred forty-three billion, five hundred three million, one hundred fifteen thousand, two hundred fifty-four".