13545564411225 has 72 divisors (see below), whose sum is σ = 28420051812768. Its totient is φ = 5629325452800.

The previous prime is 13545564411199. The next prime is 13545564411257. The reversal of 13545564411225 is 52211446554531.

It is not a de Polignac number, because 13545564411225 - 2⁸ = 13545564410969 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 167499024 + ... + 167579873.

It is an arithmetic number, because the mean of its divisors is an integer number (394722941844).

Almost surely, 2^{13545564411225} is an apocalyptic number.

13545564411225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13545564411225 is an abundant number, since it is smaller than the sum of its proper divisors (14874487401543).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13545564411225 is a wasteful number, since it uses less digits than its factorization.

13545564411225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335078935 (or 335078923 counting only the distinct ones).

The product of its digits is 2880000, while the sum is 48.

The spelling of 13545564411225 in words is "thirteen trillion, five hundred forty-five billion, five hundred sixty-four million, four hundred eleven thousand, two hundred twenty-five".