2556726580078 has 32 divisors (see below), whose sum is σ = 4272972092928. Its totient is φ = 1137362769600.

The previous prime is 2556726580063. The next prime is 2556726580091. The reversal of 2556726580078 is 8700856276552.

2556726580078 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2556726579998 and 2556726580025.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24309601 + ... + 24414547.

It is an arithmetic number, because the mean of its divisors is an integer number (133530377904).

Almost surely, 2^{2556726580078} is an apocalyptic number.

2556726580078 is a deficient number, since it is larger than the sum of its proper divisors (1716245512850).

2556726580078 is a wasteful number, since it uses less digits than its factorization.

2556726580078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128568.

The product of its (nonzero) digits is 56448000, while the sum is 61.

The spelling of 2556726580078 in words is "two trillion, five hundred fifty-six billion, seven hundred twenty-six million, five hundred eighty thousand, seventy-eight".