25900259259 has 16 divisors (see below), whose sum is σ = 40533740288. Its totient is φ = 14400143712.

The previous prime is 25900259251. The next prime is 25900259269. The reversal of 25900259259 is 95295200952.

It is not a de Polignac number, because 25900259259 - 2³ = 25900259251 is a prime.

It is a Duffinian number.

25900259259 is a modest number, since divided by 259259 gives 25900 as remainder.

It is not an unprimeable number, because it can be changed into a prime (25900259251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16666057 + ... + 16667610.

It is an arithmetic number, because the mean of its divisors is an integer number (2533358768).

Almost surely, 2^25900259259 is an apocalyptic number.

25900259259 is a deficient number, since it is larger than the sum of its proper divisors (14633481029).

25900259259 is a wasteful number, since it uses less digits than its factorization.

25900259259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33333714.

The product of its (nonzero) digits is 729000, while the sum is 48.

The spelling of 25900259259 in words is "twenty-five billion, nine hundred million, two hundred fifty-nine thousand, two hundred fifty-nine".