25275005030505 has 16 divisors (see below), whose sum is σ = 40711417502400. Its totient is φ = 13389532865088.

The previous prime is 25275005030503. The next prime is 25275005030567. The reversal of 25275005030505 is 50503050057252.

It is not a de Polignac number, because 25275005030505 - 2¹ = 25275005030503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25275005030501) 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, 5654361307 + ... + 5654365776.

It is an arithmetic number, because the mean of its divisors is an integer number (2544463593900).

Almost surely, 2^{25275005030505} is an apocalyptic number.

It is an amenable number.

25275005030505 is a deficient number, since it is larger than the sum of its proper divisors (15436412471895).

25275005030505 is a wasteful number, since it uses less digits than its factorization.

25275005030505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11308727240.

The product of its (nonzero) digits is 262500, while the sum is 39.

Adding to 25275005030505 its reverse (50503050057252), we get a palindrome (75778055087757).

The spelling of 25275005030505 in words is "twenty-five trillion, two hundred seventy-five billion, five million, thirty thousand, five hundred five".