25280805303 has 48 divisors (see below), whose sum is σ = 41085102240. Its totient is φ = 14872032000.

The previous prime is 25280805301. The next prime is 25280805307. The reversal of 25280805303 is 30350808252.

25280805303 is a `hidden beast` number, since 2 + 528 + 0 + 80 + 53 + 0 + 3 = 666.

It is not a de Polignac number, because 25280805303 - 2¹ = 25280805301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25280805301) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 305808 + ... + 379578.

It is an arithmetic number, because the mean of its divisors is an integer number (855939630).

Almost surely, 2^25280805303 is an apocalyptic number.

25280805303 is a deficient number, since it is larger than the sum of its proper divisors (15804296937).

25280805303 is a wasteful number, since it uses less digits than its factorization.

25280805303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73920 (or 73917 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 25280805303 in words is "twenty-five billion, two hundred eighty million, eight hundred five thousand, three hundred three".