13532135553 has 6 divisors (see below), whose sum is σ = 19546418034. Its totient is φ = 9021423696.

The previous prime is 13532135459. The next prime is 13532135579. The reversal of 13532135553 is 35553123531.

13532135553 is a `hidden beast` number, since 1 + 3 + 53 + 21 + 35 + 553 = 666.

It can be written as a sum of positive squares in only one way, i.e., 13263437889 + 268697664 = 115167^2 + 16392^2 .

It is not a de Polignac number, because 13532135553 - 2⁸ = 13532135297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13532135053) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 751785300 + ... + 751785317.

It is an arithmetic number, because the mean of its divisors is an integer number (3257736339).

Almost surely, 2^13532135553 is an apocalyptic number.

It is an amenable number.

13532135553 is a deficient number, since it is larger than the sum of its proper divisors (6014282481).

13532135553 is a wasteful number, since it uses less digits than its factorization.

13532135553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1503570623 (or 1503570620 counting only the distinct ones).

The product of its digits is 101250, while the sum is 36.

The spelling of 13532135553 in words is "thirteen billion, five hundred thirty-two million, one hundred thirty-five thousand, five hundred fifty-three".