13540015553012 has 12 divisors (see below), whose sum is σ = 25517721619236. Its totient is φ = 6249237947520.

The previous prime is 13540015552969. The next prime is 13540015553033. The reversal of 13540015553012 is 21035551004531.

It can be written as a sum of positive squares in 2 ways, for example, as 1709415042916 + 11830600510096 = 1307446^2 + 3439564^2 .

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, 130192457189 + ... + 130192457292.

It is an arithmetic number, because the mean of its divisors is an integer number (2126476801603).

Almost surely, 2^{13540015553012} is an apocalyptic number.

It is an amenable number.

13540015553012 is a deficient number, since it is larger than the sum of its proper divisors (11977706066224).

13540015553012 is a wasteful number, since it uses less digits than its factorization.

13540015553012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260384914498 (or 260384914496 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 35.

Adding to 13540015553012 its reverse (21035551004531), we get a palindrome (34575566557543).

The spelling of 13540015553012 in words is "thirteen trillion, five hundred forty billion, fifteen million, five hundred fifty-three thousand, twelve".