13545235660 has 96 divisors (see below), whose sum is σ = 32712180480. Its totient is φ = 4659436800.

The previous prime is 13545235637. The next prime is 13545235663. The reversal of 13545235660 is 6653254531.

It is not an unprimeable number, because it can be changed into a prime (13545235663) 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 31 ways as a sum of consecutive naturals, for example, 3429807 + ... + 3433753.

It is an arithmetic number, because the mean of its divisors is an integer number (340751880).

Almost surely, 2^13545235660 is an apocalyptic number.

13545235660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13545235660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16356090240).

13545235660 is an abundant number, since it is smaller than the sum of its proper divisors (19166944820).

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

13545235660 is a wasteful number, since it uses less digits than its factorization.

13545235660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4807 (or 4805 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 40.

The spelling of 13545235660 in words is "thirteen billion, five hundred forty-five million, two hundred thirty-five thousand, six hundred sixty".