25141445221 has 8 divisors (see below), whose sum is σ = 27110160000. Its totient is φ = 23237278560.

The previous prime is 25141445213. The next prime is 25141445233. The reversal of 25141445221 is 12254414152.

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 25141445221 - 2³ = 25141445213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25141445621) 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, 16136221 + ... + 16137778.

It is an arithmetic number, because the mean of its divisors is an integer number (3388770000).

Almost surely, 2^25141445221 is an apocalyptic number.

It is an amenable number.

25141445221 is a deficient number, since it is larger than the sum of its proper divisors (1968714779).

25141445221 is a wasteful number, since it uses less digits than its factorization.

25141445221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32274059.

The product of its digits is 12800, while the sum is 31.

Adding to 25141445221 its reverse (12254414152), we get a palindrome (37395859373).

The spelling of 25141445221 in words is "twenty-five billion, one hundred forty-one million, four hundred forty-five thousand, two hundred twenty-one".