25530055005 has 32 divisors (see below), whose sum is σ = 50274572544. Its totient is φ = 10773121536.

The previous prime is 25530054937. The next prime is 25530055007. The reversal of 25530055005 is 50055003552.

It is not a de Polignac number, because 25530055005 - 2¹³ = 25530046813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25530055007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9350304 + ... + 9353033.

It is an arithmetic number, because the mean of its divisors is an integer number (1571080392).

Almost surely, 2^25530055005 is an apocalyptic number.

It is an amenable number.

25530055005 is a deficient number, since it is larger than the sum of its proper divisors (24744517539).

25530055005 is a wasteful number, since it uses less digits than its factorization.

25530055005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18703365.

The product of its (nonzero) digits is 18750, while the sum is 30.

Adding to 25530055005 its reverse (50055003552), we get a palindrome (75585058557).

The spelling of 25530055005 in words is "twenty-five billion, five hundred thirty million, fifty-five thousand, five".