26109425425 has 6 divisors (see below), whose sum is σ = 32375687558. Its totient is φ = 20887540320.

The previous prime is 26109425393. The next prime is 26109425443. The reversal of 26109425425 is 52452490162.

It can be written as a sum of positive squares in 3 ways, for example, as 4404180496 + 21705244929 = 66364^2 + 147327^2 .

It is not a de Polignac number, because 26109425425 - 2⁵ = 26109425393 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 522188484 + ... + 522188533.

Almost surely, 2^26109425425 is an apocalyptic number.

26109425425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26109425425 is a deficient number, since it is larger than the sum of its proper divisors (6266262133).

26109425425 is a wasteful number, since it uses less digits than its factorization.

26109425425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044377027 (or 1044377022 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 26109425425 in words is "twenty-six billion, one hundred nine million, four hundred twenty-five thousand, four hundred twenty-five".