25441020120541 has 12 divisors (see below), whose sum is σ = 26147582975892. Its totient is φ = 24753061392768.

The previous prime is 25441020120533. The next prime is 25441020120583. The reversal of 25441020120541 is 14502102014452.

It can be written as a sum of positive squares in 6 ways, for example, as 1934241192900 + 23506778927641 = 1390770^2 + 4848379^2 .

It is not a de Polignac number, because 25441020120541 - 2³ = 25441020120533 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 (25441020127541) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 177697201 + ... + 177840313.

It is an arithmetic number, because the mean of its divisors is an integer number (2178965247991).

Almost surely, 2^{25441020120541} is an apocalyptic number.

It is an amenable number.

25441020120541 is a deficient number, since it is larger than the sum of its proper divisors (706562855351).

25441020120541 is a wasteful number, since it uses less digits than its factorization.

25441020120541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273040 (or 273003 counting only the distinct ones).

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

Adding to 25441020120541 its reverse (14502102014452), we get a palindrome (39943122134993).

The spelling of 25441020120541 in words is "twenty-five trillion, four hundred forty-one billion, twenty million, one hundred twenty thousand, five hundred forty-one".