13531203553 has 8 divisors (see below), whose sum is σ = 15465302208. Its totient is φ = 11597372304.

The previous prime is 13531203551. The next prime is 13531203563. The reversal of 13531203553 is 35530213531.

13531203553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13531203553 - 2¹ = 13531203551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13531203551) 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 7 ways as a sum of consecutive naturals, for example, 56850 + ... + 174052.

It is an arithmetic number, because the mean of its divisors is an integer number (1933162776).

Almost surely, 2^13531203553 is an apocalyptic number.

It is an amenable number.

13531203553 is a deficient number, since it is larger than the sum of its proper divisors (1934098655).

13531203553 is a wasteful number, since it uses less digits than its factorization.

13531203553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133703.

The product of its (nonzero) digits is 20250, while the sum is 31.

The spelling of 13531203553 in words is "thirteen billion, five hundred thirty-one million, two hundred three thousand, five hundred fifty-three".