13266123405045 has 48 divisors (see below), whose sum is σ = 24355097047680. Its totient is φ = 6040349136000.

The previous prime is 13266123405037. The next prime is 13266123405079. The reversal of 13266123405045 is 54050432166231.

It is not a de Polignac number, because 13266123405045 - 2³ = 13266123405037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13266123404988 and 13266123405006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5612391 + ... + 7617819.

It is an arithmetic number, because the mean of its divisors is an integer number (507397855160).

Almost surely, 2^{13266123405045} is an apocalyptic number.

13266123405045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13266123405045 is a deficient number, since it is larger than the sum of its proper divisors (11088973642635).

13266123405045 is an equidigital number, since it uses as much as digits as its factorization.

13266123405045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2005946 (or 2005695 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 13266123405045 in words is "thirteen trillion, two hundred sixty-six billion, one hundred twenty-three million, four hundred five thousand, forty-five".