13500260621178 has 64 divisors (see below), whose sum is σ = 27389675458560. Its totient is φ = 4435766712000.

The previous prime is 13500260621173. The next prime is 13500260621191. The reversal of 13500260621178 is 87112606200531.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13500260621173) 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 31 ways as a sum of consecutive naturals, for example, 105052623 + ... + 105181053.

It is an arithmetic number, because the mean of its divisors is an integer number (427963679040).

Almost surely, 2^{13500260621178} is an apocalyptic number.

13500260621178 is an abundant number, since it is smaller than the sum of its proper divisors (13889414837382).

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

13500260621178 is a wasteful number, since it uses less digits than its factorization.

13500260621178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129483.

The product of its (nonzero) digits is 120960, while the sum is 42.

The spelling of 13500260621178 in words is "thirteen trillion, five hundred billion, two hundred sixty million, six hundred twenty-one thousand, one hundred seventy-eight".