25275305305 has 16 divisors (see below), whose sum is σ = 32120993664. Its totient is φ = 19026973440.

The previous prime is 25275305303. The next prime is 25275305323. The reversal of 25275305305 is 50350357252.

It is not a de Polignac number, because 25275305305 - 2¹ = 25275305303 is a prime.

It is a super-2 number, since 2×25275305305² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25275305303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 435340 + ... + 489970.

It is an arithmetic number, because the mean of its divisors is an integer number (2007562104).

Almost surely, 2^25275305305 is an apocalyptic number.

It is an amenable number.

25275305305 is a deficient number, since it is larger than the sum of its proper divisors (6845688359).

25275305305 is a wasteful number, since it uses less digits than its factorization.

25275305305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60096.

The product of its (nonzero) digits is 157500, while the sum is 37.

The spelling of 25275305305 in words is "twenty-five billion, two hundred seventy-five million, three hundred five thousand, three hundred five".