25305123125052 has 36 divisors (see below), whose sum is σ = 66171442657320. Its totient is φ = 8144177557152.

The previous prime is 25305123125033. The next prime is 25305123125057. The reversal of 25305123125052 is 25052132150352.

25305123125052 is a `hidden beast` number, since 2 + 5 + 30 + 512 + 3 + 12 + 50 + 52 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 25305123124998 and 25305123125016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25305123125057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12119310798 + ... + 12119312885.

It is an arithmetic number, because the mean of its divisors is an integer number (1838095629370).

Almost surely, 2^{25305123125052} is an apocalyptic number.

It is an amenable number.

25305123125052 is an abundant number, since it is smaller than the sum of its proper divisors (40866319532268).

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

25305123125052 is a wasteful number, since it uses less digits than its factorization.

25305123125052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24238623722 (or 24238623717 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The spelling of 25305123125052 in words is "twenty-five trillion, three hundred five billion, one hundred twenty-three million, one hundred twenty-five thousand, fifty-two".