2556162752555 has 8 divisors (see below), whose sum is σ = 3067905636144. Its totient is φ = 2044589980000.

The previous prime is 2556162752531. The next prime is 2556162752573. The reversal of 2556162752555 is 5552572616552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2556162752555 - 2³⁸ = 2281284845611 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2556162752555.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42494696 + ... + 42554805.

It is an arithmetic number, because the mean of its divisors is an integer number (383488204518).

Almost surely, 2^{2556162752555} is an apocalyptic number.

2556162752555 is a deficient number, since it is larger than the sum of its proper divisors (511742883589).

2556162752555 is an equidigital number, since it uses as much as digits as its factorization.

2556162752555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85055517.

The product of its digits is 31500000, while the sum is 56.

The spelling of 2556162752555 in words is "two trillion, five hundred fifty-six billion, one hundred sixty-two million, seven hundred fifty-two thousand, five hundred fifty-five".