13601761280 has 48 divisors (see below), whose sum is σ = 32636281860. Its totient is φ = 5440700416.

The previous prime is 13601761259. The next prime is 13601761289. The reversal of 13601761280 is 8216710631.

It can be written as a sum of positive squares in 2 ways, for example, as 13219480576 + 382280704 = 114976^2 + 19552^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13601761280.

It is not an unprimeable number, because it can be changed into a prime (13601761289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 653909 + ... + 674388.

Almost surely, 2^13601761280 is an apocalyptic number.

13601761280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13601761280 is an abundant number, since it is smaller than the sum of its proper divisors (19034520580).

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

13601761280 is an equidigital number, since it uses as much as digits as its factorization.

13601761280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1328324 (or 1328304 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The spelling of 13601761280 in words is "thirteen billion, six hundred one million, seven hundred sixty-one thousand, two hundred eighty".