25540535512241 has 8 divisors (see below), whose sum is σ = 25707713448000. Its totient is φ = 25373745912240.

The previous prime is 25540535512237. The next prime is 25540535512301. The reversal of 25540535512241 is 14221553504552.

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 25540535512241 - 2² = 25540535512237 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25540535512192 and 25540535512201.

It is not an unprimeable number, because it can be changed into a prime (25540535512231) 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, 96951971 + ... + 97215048.

It is an arithmetic number, because the mean of its divisors is an integer number (3213464181000).

Almost surely, 2^{25540535512241} is an apocalyptic number.

It is an amenable number.

25540535512241 is a deficient number, since it is larger than the sum of its proper divisors (167177935759).

25540535512241 is a wasteful number, since it uses less digits than its factorization.

25540535512241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194167879.

The product of its (nonzero) digits is 1200000, while the sum is 44.

The spelling of 25540535512241 in words is "twenty-five trillion, five hundred forty billion, five hundred thirty-five million, five hundred twelve thousand, two hundred forty-one".