12504554555023 has 4 divisors (see below), whose sum is σ = 13048230840048. Its totient is φ = 11960878270000.

The previous prime is 12504554554963. The next prime is 12504554555081. The reversal of 12504554555023 is 32055545540521.

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 12504554555023 - 2²⁹ = 12504017684111 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 (12504554555083) 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, 271838142478 + ... + 271838142523.

It is an arithmetic number, because the mean of its divisors is an integer number (3262057710012).

Almost surely, 2^{12504554555023} is an apocalyptic number.

12504554555023 is a deficient number, since it is larger than the sum of its proper divisors (543676285025).

12504554555023 is an equidigital number, since it uses as much as digits as its factorization.

12504554555023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543676285024.

The product of its (nonzero) digits is 3000000, while the sum is 46.

The spelling of 12504554555023 in words is "twelve trillion, five hundred four billion, five hundred fifty-four million, five hundred fifty-five thousand, twenty-three".