13531142553 has 8 divisors (see below), whose sum is σ = 18042645888. Its totient is φ = 9020200464.

The previous prime is 13531142491. The next prime is 13531142557. The reversal of 13531142553 is 35524113531.

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

It is not a de Polignac number, because 13531142553 - 2¹⁶ = 13531077017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13531142557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80401 + ... + 183102.

It is an arithmetic number, because the mean of its divisors is an integer number (2255330736).

Almost surely, 2^13531142553 is an apocalyptic number.

It is an amenable number.

13531142553 is a deficient number, since it is larger than the sum of its proper divisors (4511503335).

13531142553 is a wasteful number, since it uses less digits than its factorization.

13531142553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280623.

The product of its digits is 27000, while the sum is 33.

The spelling of 13531142553 in words is "thirteen billion, five hundred thirty-one million, one hundred forty-two thousand, five hundred fifty-three".