13235841966564 has 48 divisors (see below), whose sum is σ = 39217309532800. Its totient is φ = 3781669133088.

The previous prime is 13235841966551. The next prime is 13235841966569. The reversal of 13235841966564 is 46566914853231.

13235841966564 is a `hidden beast` number, since 1 + 3 + 2 + 3 + 5 + 8 + 4 + 1 + 9 + 66 + 564 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (13235841966569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8753862979 + ... + 8753864490.

Almost surely, 2^{13235841966564} is an apocalyptic number.

13235841966564 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13235841966564 is an abundant number, since it is smaller than the sum of its proper divisors (25981467566236).

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

13235841966564 is a wasteful number, since it uses less digits than its factorization.

13235841966564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17507727489 (or 17507727481 counting only the distinct ones).

The product of its digits is 111974400, while the sum is 63.

The spelling of 13235841966564 in words is "thirteen trillion, two hundred thirty-five billion, eight hundred forty-one million, nine hundred sixty-six thousand, five hundred sixty-four".