25043525441121 has 32 divisors (see below), whose sum is σ = 37702819123200. Its totient is φ = 14648905713600.

The previous prime is 25043525441089. The next prime is 25043525441251. The reversal of 25043525441121 is 12114452534052.

It is not a de Polignac number, because 25043525441121 - 2⁵ = 25043525441089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25043525441121.

It is not an unprimeable number, because it can be changed into a prime (25043525441021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32434071 + ... + 33197228.

It is an arithmetic number, because the mean of its divisors is an integer number (1178213097600).

Almost surely, 2^{25043525441121} is an apocalyptic number.

It is an amenable number.

25043525441121 is a deficient number, since it is larger than the sum of its proper divisors (12659293682079).

25043525441121 is a wasteful number, since it uses less digits than its factorization.

25043525441121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65631717.

The product of its (nonzero) digits is 192000, while the sum is 39.

Adding to 25043525441121 its reverse (12114452534052), we get a palindrome (37157977975173).

The spelling of 25043525441121 in words is "twenty-five trillion, forty-three billion, five hundred twenty-five million, four hundred forty-one thousand, one hundred twenty-one".