12544411444523 has 12 divisors (see below), whose sum is σ = 14592541397400. Its totient is φ = 10752306409152.

The previous prime is 12544411444519. The next prime is 12544411444547. The reversal of 12544411444523 is 32544411444521.

It is not a de Polignac number, because 12544411444523 - 2² = 12544411444519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12544411444553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15948803 + ... + 16716851.

It is an arithmetic number, because the mean of its divisors is an integer number (1216045116450).

Almost surely, 2^{12544411444523} is an apocalyptic number.

12544411444523 is a deficient number, since it is larger than the sum of its proper divisors (2048129952877).

12544411444523 is an equidigital number, since it uses as much as digits as its factorization.

12544411444523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101386 (or 1101379 counting only the distinct ones).

The product of its digits is 1228800, while the sum is 44.

The spelling of 12544411444523 in words is "twelve trillion, five hundred forty-four billion, four hundred eleven million, four hundred forty-four thousand, five hundred twenty-three".