25366069352 has 16 divisors (see below), whose sum is σ = 51219947940. Its totient is φ = 11707416576.

The previous prime is 25366069237. The next prime is 25366069357. The reversal of 25366069352 is 25396066352.

It can be written as a sum of positive squares in 2 ways, for example, as 24701151556 + 664917796 = 157166^2 + 25786^2 .

It is a junction number, because it is equal to n+sod(n) for n = 25366069297 and 25366069306.

It is not an unprimeable number, because it can be changed into a prime (25366069357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121952153 + ... + 121952360.

Almost surely, 2^25366069352 is an apocalyptic number.

It is an amenable number.

25366069352 is an abundant number, since it is smaller than the sum of its proper divisors (25853878588).

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

25366069352 is a wasteful number, since it uses less digits than its factorization.

25366069352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243904532 (or 243904528 counting only the distinct ones).

The product of its (nonzero) digits is 1749600, while the sum is 47.

The spelling of 25366069352 in words is "twenty-five billion, three hundred sixty-six million, sixty-nine thousand, three hundred fifty-two".