13154251543215 has 16 divisors (see below), whose sum is σ = 21046862586336. Its totient is φ = 7015580784000.

The previous prime is 13154251543201. The next prime is 13154251543247. The reversal of 13154251543215 is 51234515245131.

It is not a de Polignac number, because 13154251543215 - 2¹⁰ = 13154251542191 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5269665 + ... + 7353765.

It is an arithmetic number, because the mean of its divisors is an integer number (1315428911646).

Almost surely, 2^{13154251543215} is an apocalyptic number.

13154251543215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13154251543215 is a deficient number, since it is larger than the sum of its proper divisors (7892611043121).

13154251543215 is a wasteful number, since it uses less digits than its factorization.

13154251543215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2504890.

The product of its digits is 360000, while the sum is 42.

Adding to 13154251543215 its reverse (51234515245131), we get a palindrome (64388766788346).

The spelling of 13154251543215 in words is "thirteen trillion, one hundred fifty-four billion, two hundred fifty-one million, five hundred forty-three thousand, two hundred fifteen".