13105521135232 has 32 divisors (see below), whose sum is σ = 26466308218980. Its totient is φ = 6462996719616.

The previous prime is 13105521135229. The next prime is 13105521135233. The reversal of 13105521135232 is 23253112550131.

It can be written as a sum of positive squares in 2 ways, for example, as 13025920412736 + 79600722496 = 3609144^2 + 282136^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (13105521135233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 701270683 + ... + 701289370.

Almost surely, 2^{13105521135232} is an apocalyptic number.

It is an amenable number.

13105521135232 is an abundant number, since it is smaller than the sum of its proper divisors (13360787083748).

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

13105521135232 is an equidigital number, since it uses as much as digits as its factorization.

13105521135232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1402560140 (or 1402560128 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 34.

Adding to 13105521135232 its reverse (23253112550131), we get a palindrome (36358633685363).

The spelling of 13105521135232 in words is "thirteen trillion, one hundred five billion, five hundred twenty-one million, one hundred thirty-five thousand, two hundred thirty-two".