12519066055 has 4 divisors (see below), whose sum is σ = 15022879272. Its totient is φ = 10015252840.

The previous prime is 12519066041. The next prime is 12519066059. The reversal of 12519066055 is 55066091521.

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

It is not a de Polignac number, because 12519066055 - 2⁵ = 12519066023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12519065999 and 12519066017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12519066059) 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, 1251906601 + ... + 1251906610.

It is an arithmetic number, because the mean of its divisors is an integer number (3755719818).

Almost surely, 2^12519066055 is an apocalyptic number.

12519066055 is a deficient number, since it is larger than the sum of its proper divisors (2503813217).

12519066055 is an equidigital number, since it uses as much as digits as its factorization.

12519066055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2503813216.

The product of its (nonzero) digits is 81000, while the sum is 40.

The spelling of 12519066055 in words is "twelve billion, five hundred nineteen million, sixty-six thousand, fifty-five".