25441620265611 has 12 divisors (see below), whose sum is σ = 40089825873240. Its totient is φ = 15419163797280.

The previous prime is 25441620265601. The next prime is 25441620265709. The reversal of 25441620265611 is 11656202614452.

25441620265611 is a `hidden beast` number, since 2 + 5 + 4 + 4 + 1 + 6 + 2 + 0 + 26 + 5 + 611 = 666.

It is not a de Polignac number, because 25441620265611 - 2¹³ = 25441620257419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25441620265601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 128493031546 + ... + 128493031743.

It is an arithmetic number, because the mean of its divisors is an integer number (3340818822770).

Almost surely, 2^{25441620265611} is an apocalyptic number.

25441620265611 is a deficient number, since it is larger than the sum of its proper divisors (14648205607629).

25441620265611 is a wasteful number, since it uses less digits than its factorization.

25441620265611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256986063306 (or 256986063303 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The spelling of 25441620265611 in words is "twenty-five trillion, four hundred forty-one billion, six hundred twenty million, two hundred sixty-five thousand, six hundred eleven".