25895916481 has 8 divisors (see below), whose sum is σ = 26336332224. Its totient is φ = 25456013520.

The previous prime is 25895916463. The next prime is 25895916491. The reversal of 25895916481 is 18461959852.

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 25895916481 - 2¹¹ = 25895914433 is a prime.

It is a super-2 number, since 2×25895916481² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25895916461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25645 + ... + 229018.

It is an arithmetic number, because the mean of its divisors is an integer number (3292041528).

Almost surely, 2^25895916481 is an apocalyptic number.

It is an amenable number.

25895916481 is a deficient number, since it is larger than the sum of its proper divisors (440415743).

25895916481 is a wasteful number, since it uses less digits than its factorization.

25895916481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256391.

The product of its digits is 6220800, while the sum is 58.

The spelling of 25895916481 in words is "twenty-five billion, eight hundred ninety-five million, nine hundred sixteen thousand, four hundred eighty-one".