25424025545 has 8 divisors (see below), whose sum is σ = 31835301696. Its totient is φ = 19454906416.

The previous prime is 25424025527. The next prime is 25424025551. The reversal of 25424025545 is 54552042452.

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 25424025545 - 2⁶ = 25424025481 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25424025499 and 25424025508.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110539127 + ... + 110539356.

It is an arithmetic number, because the mean of its divisors is an integer number (3979412712).

Almost surely, 2^25424025545 is an apocalyptic number.

It is an amenable number.

25424025545 is a deficient number, since it is larger than the sum of its proper divisors (6411276151).

25424025545 is a wasteful number, since it uses less digits than its factorization.

25424025545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221078511.

The product of its (nonzero) digits is 320000, while the sum is 38.

Adding to 25424025545 its reverse (54552042452), we get a palindrome (79976067997).

The spelling of 25424025545 in words is "twenty-five billion, four hundred twenty-four million, twenty-five thousand, five hundred forty-five".