6504255223555 has 16 divisors (see below), whose sum is σ = 8005150923264. Its totient is φ = 5070602607840.

The previous prime is 6504255223489. The next prime is 6504255223573. The reversal of 6504255223555 is 5553225524056.

It is not a de Polignac number, because 6504255223555 - 2²¹ = 6504253126403 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6504255223499 and 6504255223508.

It is an unprimeable number.

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, 35002869 + ... + 35188198.

It is an arithmetic number, because the mean of its divisors is an integer number (500321932704).

Almost surely, 2^{6504255223555} is an apocalyptic number.

6504255223555 is a deficient number, since it is larger than the sum of its proper divisors (1500895699709).

6504255223555 is a wasteful number, since it uses less digits than its factorization.

6504255223555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70191546.

The product of its (nonzero) digits is 9000000, while the sum is 49.

The spelling of 6504255223555 in words is "six trillion, five hundred four billion, two hundred fifty-five million, two hundred twenty-three thousand, five hundred fifty-five".