25053133543 has 8 divisors (see below), whose sum is σ = 25260998288. Its totient is φ = 24845880384.

The previous prime is 25053133541. The next prime is 25053133577. The reversal of 25053133543 is 34533135052.

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 25053133543 - 2¹ = 25053133541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25053133499 and 25053133508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25053133541) 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, 70446 + ... + 234667.

It is an arithmetic number, because the mean of its divisors is an integer number (3157624786).

Almost surely, 2^25053133543 is an apocalyptic number.

25053133543 is a deficient number, since it is larger than the sum of its proper divisors (207864745).

25053133543 is a wasteful number, since it uses less digits than its factorization.

25053133543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305793.

The product of its (nonzero) digits is 81000, while the sum is 34.

Adding to 25053133543 its reverse (34533135052), we get a palindrome (59586268595).

The spelling of 25053133543 in words is "twenty-five billion, fifty-three million, one hundred thirty-three thousand, five hundred forty-three".