6525115255 has 4 divisors (see below), whose sum is σ = 7830138312. Its totient is φ = 5220092200.

The previous prime is 6525115241. The next prime is 6525115271. The reversal of 6525115255 is 5525115256.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 6525115255 - 2⁷ = 6525115127 is a prime.

It is a Duffinian number.

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, 652511521 + ... + 652511530.

It is an arithmetic number, because the mean of its divisors is an integer number (1957534578).

Almost surely, 2^6525115255 is an apocalyptic number.

6525115255 is a deficient number, since it is larger than the sum of its proper divisors (1305023057).

6525115255 is a wasteful number, since it uses less digits than its factorization.

6525115255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1305023056.

The product of its digits is 75000, while the sum is 37.

The square root of 6525115255 is about 80778.1855144073. The cubic root of 6525115255 is about 1868.6561550917.

Subtracting from 6525115255 its reverse (5525115256), we obtain a palindrome (999999999).

The spelling of 6525115255 in words is "six billion, five hundred twenty-five million, one hundred fifteen thousand, two hundred fifty-five".