13266005245361 has 4 divisors (see below), whose sum is σ = 14472005722224. Its totient is φ = 12060004768500.

The previous prime is 13266005245357. The next prime is 13266005245459. The reversal of 13266005245361 is 16354250066231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13266005245361 - 2² = 13266005245357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13266005245301) 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, 603000238415 + ... + 603000238436.

It is an arithmetic number, because the mean of its divisors is an integer number (3618001430556).

Almost surely, 2^{13266005245361} is an apocalyptic number.

13266005245361 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13266005245361 is a deficient number, since it is larger than the sum of its proper divisors (1206000476863).

13266005245361 is a wasteful number, since it uses less digits than its factorization.

13266005245361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1206000476862.

The product of its (nonzero) digits is 777600, while the sum is 44.

The spelling of 13266005245361 in words is "thirteen trillion, two hundred sixty-six billion, five million, two hundred forty-five thousand, three hundred sixty-one".