25670445061236 has 12 divisors (see below), whose sum is σ = 59897705142912. Its totient is φ = 8556815020408.

The previous prime is 25670445061223. The next prime is 25670445061243. The reversal of 25670445061236 is 63216054407652.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1069601877540 + ... + 1069601877563.

It is an arithmetic number, because the mean of its divisors is an integer number (4991475428576).

Almost surely, 2^{25670445061236} is an apocalyptic number.

It is an amenable number.

25670445061236 is an abundant number, since it is smaller than the sum of its proper divisors (34227260081676).

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

25670445061236 is a wasteful number, since it uses less digits than its factorization.

25670445061236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2139203755110 (or 2139203755108 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 51.

Adding to 25670445061236 its reverse (63216054407652), we get a palindrome (88886499468888).

The spelling of 25670445061236 in words is "twenty-five trillion, six hundred seventy billion, four hundred forty-five million, sixty-one thousand, two hundred thirty-six".