13500345145251 has 16 divisors (see below), whose sum is σ = 18949138876800. Its totient is φ = 8525955057408.

The previous prime is 13500345145237. The next prime is 13500345145277. The reversal of 13500345145251 is 15254154300531.

It is not a de Polignac number, because 13500345145251 - 2³¹ = 13498197661603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13500345145051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7189806 + ... + 8870963.

It is an arithmetic number, because the mean of its divisors is an integer number (1184321179800).

Almost surely, 2^{13500345145251} is an apocalyptic number.

13500345145251 is a deficient number, since it is larger than the sum of its proper divisors (5448793731549).

13500345145251 is a wasteful number, since it uses less digits than its factorization.

13500345145251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16075538.

The product of its (nonzero) digits is 180000, while the sum is 39.

Adding to 13500345145251 its reverse (15254154300531), we get a palindrome (28754499445782).

The spelling of 13500345145251 in words is "thirteen trillion, five hundred billion, three hundred forty-five million, one hundred forty-five thousand, two hundred fifty-one".