26009348025 has 12 divisors (see below), whose sum is σ = 43002122192. Its totient is φ = 13871652240.

The previous prime is 26009348023. The next prime is 26009348069. The reversal of 26009348025 is 52084390062.

It is a happy number.

It is not a de Polignac number, because 26009348025 - 2¹ = 26009348023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26009348021) 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, 173395579 + ... + 173395728.

Almost surely, 2^26009348025 is an apocalyptic number.

26009348025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26009348025 is a deficient number, since it is larger than the sum of its proper divisors (16992774167).

26009348025 is a wasteful number, since it uses less digits than its factorization.

26009348025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346791320 (or 346791315 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The spelling of 26009348025 in words is "twenty-six billion, nine million, three hundred forty-eight thousand, twenty-five".