25280503005 has 16 divisors (see below), whose sum is σ = 40456450944. Its totient is φ = 13480386240.

The previous prime is 25280502977. The next prime is 25280503051. The reversal of 25280503005 is 50030508252.

It is not a de Polignac number, because 25280503005 - 2¹¹ = 25280500957 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75889 + ... + 237318.

It is an arithmetic number, because the mean of its divisors is an integer number (2528528184).

Almost surely, 2^25280503005 is an apocalyptic number.

It is an amenable number.

25280503005 is a deficient number, since it is larger than the sum of its proper divisors (15175947939).

25280503005 is a wasteful number, since it uses less digits than its factorization.

25280503005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318596.

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 25280503005 in words is "twenty-five billion, two hundred eighty million, five hundred three thousand, five".