2559896487128 has 16 divisors (see below), whose sum is σ = 4929530398080. Its totient is φ = 1245355047648.

The previous prime is 2559896487103. The next prime is 2559896487139. The reversal of 2559896487128 is 8217846989552.

It is a Harshad number since it is a multiple of its sum of digits (74).

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, 4324149176 + ... + 4324149767.

It is an arithmetic number, because the mean of its divisors is an integer number (308095649880).

Almost surely, 2^{2559896487128} is an apocalyptic number.

It is an amenable number.

2559896487128 is a deficient number, since it is larger than the sum of its proper divisors (2369633910952).

2559896487128 is a wasteful number, since it uses less digits than its factorization.

2559896487128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8648298986 (or 8648298982 counting only the distinct ones).

The product of its digits is 696729600, while the sum is 74.

The spelling of 2559896487128 in words is "two trillion, five hundred fifty-nine billion, eight hundred ninety-six million, four hundred eighty-seven thousand, one hundred twenty-eight".