25775008036 has 6 divisors (see below), whose sum is σ = 45106264070. Its totient is φ = 12887504016.

The previous prime is 25775008033. The next prime is 25775008073. The reversal of 25775008036 is 63080057752.

It can be written as a sum of positive squares in only one way, i.e., 25680062500 + 94945536 = 160250^2 + 9744^2 .

It is a junction number, because it is equal to n+sod(n) for n = 25775007983 and 25775008001.

It is not an unprimeable number, because it can be changed into a prime (25775008033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3221876001 + ... + 3221876008.

Almost surely, 2^25775008036 is an apocalyptic number.

It is an amenable number.

25775008036 is a deficient number, since it is larger than the sum of its proper divisors (19331256034).

25775008036 is a wasteful number, since it uses less digits than its factorization.

25775008036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6443752013 (or 6443752011 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 43.

The spelling of 25775008036 in words is "twenty-five billion, seven hundred seventy-five million, eight thousand, thirty-six".