13561336411603 has 16 divisors (see below), whose sum is σ = 14030839058400. Its totient is φ = 13097271856896.

The previous prime is 13561336411577. The next prime is 13561336411613. The reversal of 13561336411603 is 30611463316531.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13561336411603 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13561336411603.

It is not an unprimeable number, because it can be changed into a prime (13561336411613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56394300 + ... + 56634262.

It is an arithmetic number, because the mean of its divisors is an integer number (876927441150).

Almost surely, 2^{13561336411603} is an apocalyptic number.

13561336411603 is a deficient number, since it is larger than the sum of its proper divisors (469502646797).

13561336411603 is a wasteful number, since it uses less digits than its factorization.

13561336411603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251286.

The product of its (nonzero) digits is 349920, while the sum is 43.

The spelling of 13561336411603 in words is "thirteen trillion, five hundred sixty-one billion, three hundred thirty-six million, four hundred eleven thousand, six hundred three".