2625805020881 has 12 divisors (see below), whose sum is σ = 3093172542720. Its totient is φ = 2222200267560.

The previous prime is 2625805020869. The next prime is 2625805020899. The reversal of 2625805020881 is 1880205085262.

It is a happy number.

It is not a de Polignac number, because 2625805020881 - 2¹⁸ = 2625804758737 is a prime.

It is a super-2 number, since 2×2625805020881² (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 (2625805020481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 339159785 + ... + 339167526.

It is an arithmetic number, because the mean of its divisors is an integer number (257764378560).

Almost surely, 2^{2625805020881} is an apocalyptic number.

It is an amenable number.

2625805020881 is a deficient number, since it is larger than the sum of its proper divisors (467367521839).

2625805020881 is an equidigital number, since it uses as much as digits as its factorization.

2625805020881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678327404 (or 678327397 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 47.

The spelling of 2625805020881 in words is "two trillion, six hundred twenty-five billion, eight hundred five million, twenty thousand, eight hundred eighty-one".