13535235120 has 80 divisors (see below), whose sum is σ = 45773713152. Its totient is φ = 3281268480.

The previous prime is 13535235113. The next prime is 13535235139. The reversal of 13535235120 is 2153253531.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2560852 + ... + 2566131.

Almost surely, 2^13535235120 is an apocalyptic number.

13535235120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13535235120 is an abundant number, since it is smaller than the sum of its proper divisors (32238478032).

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

13535235120 is a wasteful number, since it uses less digits than its factorization.

13535235120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5127010 (or 5127004 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 30.

Adding to 13535235120 its reverse (2153253531), we get a palindrome (15688488651).

The spelling of 13535235120 in words is "thirteen billion, five hundred thirty-five million, two hundred thirty-five thousand, one hundred twenty".