26263750025 has 24 divisors (see below), whose sum is σ = 34062177024. Its totient is φ = 20050659200.

The previous prime is 26263750021. The next prime is 26263750031. The reversal of 26263750025 is 52005736262.

It is a happy number.

It is not a de Polignac number, because 26263750025 - 2² = 26263750021 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26263750021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 194837 + ... + 300813.

It is an arithmetic number, because the mean of its divisors is an integer number (1419257376).

Almost surely, 2^26263750025 is an apocalyptic number.

26263750025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26263750025 is a deficient number, since it is larger than the sum of its proper divisors (7798426999).

26263750025 is a wasteful number, since it uses less digits than its factorization.

26263750025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106441 (or 106436 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 38.

The spelling of 26263750025 in words is "twenty-six billion, two hundred sixty-three million, seven hundred fifty thousand, twenty-five".