26289011425 has 6 divisors (see below), whose sum is σ = 32598374198. Its totient is φ = 21031209120.

The previous prime is 26289011407. The next prime is 26289011471. The reversal of 26289011425 is 52411098262.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 47279376 + 26241732049 = 6876^2 + 161993^2 .

It is not a de Polignac number, because 26289011425 - 2⁷ = 26289011297 is a prime.

It is a super-2 number, since 2×26289011425² (a number of 22 digits) contains 22 as substring.

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, 525780204 + ... + 525780253.

Almost surely, 2^26289011425 is an apocalyptic number.

26289011425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26289011425 is a deficient number, since it is larger than the sum of its proper divisors (6309362773).

26289011425 is a wasteful number, since it uses less digits than its factorization.

26289011425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051560467 (or 1051560462 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 40.

The spelling of 26289011425 in words is "twenty-six billion, two hundred eighty-nine million, eleven thousand, four hundred twenty-five".