13532550144 has 44 divisors (see below), whose sum is σ = 36069188064. Its totient is φ = 4510849024.

The previous prime is 13532550131. The next prime is 13532550173. The reversal of 13532550144 is 44105523531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2199492 + ... + 2205635.

Almost surely, 2^13532550144 is an apocalyptic number.

It is an amenable number.

13532550144 is an abundant number, since it is smaller than the sum of its proper divisors (22536637920).

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

13532550144 is an equidigital number, since it uses as much as digits as its factorization.

13532550144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4405150 (or 4405132 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

The spelling of 13532550144 in words is "thirteen billion, five hundred thirty-two million, five hundred fifty thousand, one hundred forty-four".