25966356303 has 16 divisors (see below), whose sum is σ = 35758285920. Its totient is φ = 16751614464.

The previous prime is 25966356263. The next prime is 25966356331. The reversal of 25966356303 is 30365366952.

It is not a de Polignac number, because 25966356303 - 2¹⁰ = 25966355279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25965356303) 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, 1106958 + ... + 1130171.

It is an arithmetic number, because the mean of its divisors is an integer number (2234892870).

Almost surely, 2^25966356303 is an apocalyptic number.

25966356303 is a deficient number, since it is larger than the sum of its proper divisors (9791929617).

25966356303 is a wasteful number, since it uses less digits than its factorization.

25966356303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2237258.

The product of its (nonzero) digits is 2624400, while the sum is 48.

The spelling of 25966356303 in words is "twenty-five billion, nine hundred sixty-six million, three hundred fifty-six thousand, three hundred three".