26516012219425 has 12 divisors (see below), whose sum is σ = 32898960292716. Its totient is φ = 21200483878400.

The previous prime is 26516012219393. The next prime is 26516012219429. The reversal of 26516012219425 is 52491221061562.

It can be written as a sum of positive squares in 6 ways, for example, as 1498499153424 + 25017513066001 = 1224132^2 + 5001751^2 .

It is not a de Polignac number, because 26516012219425 - 2⁵ = 26516012219393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26516012219429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 308103544 + ... + 308189593.

It is an arithmetic number, because the mean of its divisors is an integer number (2741580024393).

Almost surely, 2^{26516012219425} is an apocalyptic number.

26516012219425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26516012219425 is a deficient number, since it is larger than the sum of its proper divisors (6382948073291).

26516012219425 is a wasteful number, since it uses less digits than its factorization.

26516012219425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616294868 (or 616294863 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 46.

The spelling of 26516012219425 in words is "twenty-six trillion, five hundred sixteen billion, twelve million, two hundred nineteen thousand, four hundred twenty-five".