25030530278305 has 16 divisors (see below), whose sum is σ = 30101932695744. Its totient is φ = 19980925352640.

The previous prime is 25030530278297. The next prime is 25030530278309. The reversal of 25030530278305 is 50387203503052.

It is not a de Polignac number, because 25030530278305 - 2³ = 25030530278297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25030530278309) 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, 4253479 + ... + 8255491.

It is an arithmetic number, because the mean of its divisors is an integer number (1881370793484).

Almost surely, 2^{25030530278305} is an apocalyptic number.

It is an amenable number.

25030530278305 is a deficient number, since it is larger than the sum of its proper divisors (5071402417439).

25030530278305 is a wasteful number, since it uses less digits than its factorization.

25030530278305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4004736.

The product of its (nonzero) digits is 756000, while the sum is 43.

The spelling of 25030530278305 in words is "twenty-five trillion, thirty billion, five hundred thirty million, two hundred seventy-eight thousand, three hundred five".