25560325505 has 16 divisors (see below), whose sum is σ = 36034697664. Its totient is φ = 17159378880.

The previous prime is 25560325501. The next prime is 25560325517. The reversal of 25560325505 is 50552306552.

It is not a de Polignac number, because 25560325505 - 2² = 25560325501 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25560325501) 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, 17873639 + ... + 17875068.

It is an arithmetic number, because the mean of its divisors is an integer number (2252168604).

Almost surely, 2^25560325505 is an apocalyptic number.

It is an amenable number.

25560325505 is a deficient number, since it is larger than the sum of its proper divisors (10474372159).

25560325505 is a wasteful number, since it uses less digits than its factorization.

25560325505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35748736.

The product of its (nonzero) digits is 225000, while the sum is 38.

The spelling of 25560325505 in words is "twenty-five billion, five hundred sixty million, three hundred twenty-five thousand, five hundred five".