25413130561 has 32 divisors (see below), whose sum is σ = 33139991808. Its totient is φ = 18911508480.

The previous prime is 25413130531. The next prime is 25413130627. The reversal of 25413130561 is 16503131452.

It is a cyclic number.

It is not a de Polignac number, because 25413130561 - 2⁷ = 25413130433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25413130531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2707206 + ... + 2716576.

It is an arithmetic number, because the mean of its divisors is an integer number (1035624744).

Almost surely, 2^25413130561 is an apocalyptic number.

It is an amenable number.

25413130561 is a deficient number, since it is larger than the sum of its proper divisors (7726861247).

25413130561 is a wasteful number, since it uses less digits than its factorization.

25413130561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11161.

The product of its (nonzero) digits is 10800, while the sum is 31.

The spelling of 25413130561 in words is "twenty-five billion, four hundred thirteen million, one hundred thirty thousand, five hundred sixty-one".