25280003025505 has 8 divisors (see below), whose sum is σ = 30337683566400. Its totient is φ = 20222882463216.

The previous prime is 25280003025479. The next prime is 25280003025523. The reversal of 25280003025505 is 50552030008252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25280003025505 - 2¹⁵ = 25280002992737 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139895325 + ... + 140075914.

It is an arithmetic number, because the mean of its divisors is an integer number (3792210445800).

Almost surely, 2^{25280003025505} is an apocalyptic number.

It is an amenable number.

25280003025505 is a deficient number, since it is larger than the sum of its proper divisors (5057680540895).

25280003025505 is a wasteful number, since it uses less digits than its factorization.

25280003025505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279989303.

The product of its (nonzero) digits is 120000, while the sum is 37.

The spelling of 25280003025505 in words is "twenty-five trillion, two hundred eighty billion, three million, twenty-five thousand, five hundred five".