6513472522155 has 16 divisors (see below), whose sum is σ = 10874667168000. Its totient is φ = 3322814967648.

The previous prime is 6513472522153. The next prime is 6513472522169. The reversal of 6513472522155 is 5512252743156.

It is not a de Polignac number, because 6513472522155 - 2¹ = 6513472522153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6513472522153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9439814905 + ... + 9439815594.

It is an arithmetic number, because the mean of its divisors is an integer number (679666698000).

Almost surely, 2^{6513472522155} is an apocalyptic number.

6513472522155 is a deficient number, since it is larger than the sum of its proper divisors (4361194645845).

6513472522155 is a wasteful number, since it uses less digits than its factorization.

6513472522155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18879630530.

The product of its digits is 2520000, while the sum is 48.

The spelling of 6513472522155 in words is "six trillion, five hundred thirteen billion, four hundred seventy-two million, five hundred twenty-two thousand, one hundred fifty-five".