25545818541 has 8 divisors (see below), whose sum is σ = 34443800640. Its totient is φ = 16839191072.

The previous prime is 25545818533. The next prime is 25545818563. The reversal of 25545818541 is 14581854552.

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 25545818541 - 2³ = 25545818533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25545818521) 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, 47838345 + ... + 47838878.

It is an arithmetic number, because the mean of its divisors is an integer number (4305475080).

Almost surely, 2^25545818541 is an apocalyptic number.

It is an amenable number.

25545818541 is a deficient number, since it is larger than the sum of its proper divisors (8897982099).

25545818541 is an equidigital number, since it uses as much as digits as its factorization.

25545818541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95677315.

The product of its digits is 1280000, while the sum is 48.

The spelling of 25545818541 in words is "twenty-five billion, five hundred forty-five million, eight hundred eighteen thousand, five hundred forty-one".