25441456564116 has 18 divisors (see below), whose sum is σ = 64310348537162. Its totient is φ = 8480485521360.

The previous prime is 25441456564081. The next prime is 25441456564127. The reversal of 25441456564116 is 61146565414452.

25441456564116 is a `hidden beast` number, since 2 + 5 + 4 + 4 + 1 + 4 + 565 + 64 + 1 + 16 = 666.

It can be written as a sum of positive squares in only one way, i.e., 18233327002500 + 7208129561616 = 4270050^2 + 2684796^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×25441456564116² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 353353563355 + ... + 353353563426.

Almost surely, 2^{25441456564116} is an apocalyptic number.

It is an amenable number.

25441456564116 is an abundant number, since it is smaller than the sum of its proper divisors (38868891973046).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25441456564116 is a wasteful number, since it uses less digits than its factorization.

25441456564116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706707126791 (or 706707126786 counting only the distinct ones).

The product of its digits is 13824000, while the sum is 54.

The spelling of 25441456564116 in words is "twenty-five trillion, four hundred forty-one billion, four hundred fifty-six million, five hundred sixty-four thousand, one hundred sixteen".