2556059117824 has 27 divisors (see below), whose sum is σ = 5102184690883. Its totient is φ = 1278016768768.

The previous prime is 2556059117789. The next prime is 2556059117837. The reversal of 2556059117824 is 4287119506552.

It is a happy number.

The square root of 2556059117824 is 1598768.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×2556059117824² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 25530327 + ... + 25630249.

Almost surely, 2^{2556059117824} is an apocalyptic number.

2556059117824 is the 1598768-th square number.

It is an amenable number.

2556059117824 is a deficient number, since it is larger than the sum of its proper divisors (2546125573059).

2556059117824 is an frugal number, since it uses more digits than its factorization.

2556059117824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199862 (or 99925 counting only the distinct ones).

The product of its (nonzero) digits is 6048000, while the sum is 55.

The spelling of 2556059117824 in words is "two trillion, five hundred fifty-six billion, fifty-nine million, one hundred seventeen thousand, eight hundred twenty-four".