25305104001 has 12 divisors (see below), whose sum is σ = 35609399952. Its totient is φ = 15982170264.

The previous prime is 25305103981. The next prime is 25305104009. The reversal of 25305104001 is 10040150352.

It is not a de Polignac number, because 25305104001 - 2⁹ = 25305103489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25305104009) 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 11 ways as a sum of consecutive naturals, for example, 11681791 + ... + 11683956.

It is an arithmetic number, because the mean of its divisors is an integer number (2967449996).

Almost surely, 2^25305104001 is an apocalyptic number.

It is an amenable number.

25305104001 is a deficient number, since it is larger than the sum of its proper divisors (10304295951).

25305104001 is a wasteful number, since it uses less digits than its factorization.

25305104001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23365788 (or 23365769 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

Adding to 25305104001 its reverse (10040150352), we get a palindrome (35345254353).

The spelling of 25305104001 in words is "twenty-five billion, three hundred five million, one hundred four thousand, one".