13235513500 has 48 divisors (see below), whose sum is σ = 31534225632. Its totient is φ = 4812912000.

The previous prime is 13235513471. The next prime is 13235513503. The reversal of 13235513500 is 531553231.

13235513500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13235513503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1197729 + ... + 1208728.

It is an arithmetic number, because the mean of its divisors is an integer number (656963034).

Almost surely, 2^13235513500 is an apocalyptic number.

13235513500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13235513500 is an abundant number, since it is smaller than the sum of its proper divisors (18298712132).

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

13235513500 is a wasteful number, since it uses less digits than its factorization.

13235513500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2406487 (or 2406475 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 28.

The spelling of 13235513500 in words is "thirteen billion, two hundred thirty-five million, five hundred thirteen thousand, five hundred".