25089681161 has 8 divisors (see below), whose sum is σ = 25461216000. Its totient is φ = 24718650880.

The previous prime is 25089681119. The next prime is 25089681181. The reversal of 25089681161 is 16118698052.

It is a happy number.

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 25089681161 - 2¹⁴ = 25089664777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25089681181) 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, 25361 + ... + 225438.

It is an arithmetic number, because the mean of its divisors is an integer number (3182652000).

Almost surely, 2^25089681161 is an apocalyptic number.

It is an amenable number.

25089681161 is a deficient number, since it is larger than the sum of its proper divisors (371534839).

25089681161 is a wasteful number, since it uses less digits than its factorization.

25089681161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252279.

The product of its (nonzero) digits is 207360, while the sum is 47.

The spelling of 25089681161 in words is "twenty-five billion, eighty-nine million, six hundred eighty-one thousand, one hundred sixty-one".