25063631161 has 8 divisors (see below), whose sum is σ = 25876256000. Its totient is φ = 24251263920.

The previous prime is 25063631143. The next prime is 25063631167. The reversal of 25063631161 is 16113636052.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25063631161 - 2⁹ = 25063630649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25063631167) 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 7 ways as a sum of consecutive naturals, for example, 144115 + ... + 266263.

It is an arithmetic number, because the mean of its divisors is an integer number (3234532000).

Almost surely, 2^25063631161 is an apocalyptic number.

It is an amenable number.

25063631161 is a deficient number, since it is larger than the sum of its proper divisors (812624839).

25063631161 is a wasteful number, since it uses less digits than its factorization.

25063631161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128799.

The product of its (nonzero) digits is 19440, while the sum is 34.

The spelling of 25063631161 in words is "twenty-five billion, sixty-three million, six hundred thirty-one thousand, one hundred sixty-one".