2559266797881 has 4 divisors (see below), whose sum is σ = 3412355730512. Its totient is φ = 1706177865252.

The previous prime is 2559266797853. The next prime is 2559266797883. The reversal of 2559266797881 is 1887976629552.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2559266797881 - 2⁷ = 2559266797753 is a prime.

It is a super-2 number, since 2×2559266797881² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2559266797883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 426544466311 + ... + 426544466316.

It is an arithmetic number, because the mean of its divisors is an integer number (853088932628).

Almost surely, 2^{2559266797881} is an apocalyptic number.

It is an amenable number.

2559266797881 is a deficient number, since it is larger than the sum of its proper divisors (853088932631).

2559266797881 is an equidigital number, since it uses as much as digits as its factorization.

2559266797881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853088932630.

The product of its digits is 914457600, while the sum is 75.

The spelling of 2559266797881 in words is "two trillion, five hundred fifty-nine billion, two hundred sixty-six million, seven hundred ninety-seven thousand, eight hundred eighty-one".