25152056836 has 27 divisors (see below), whose sum is σ = 44363516071. Its totient is φ = 12477541544.

The previous prime is 25152056789. The next prime is 25152056851. The reversal of 25152056836 is 63865025152.

The square root of 25152056836 is 158594.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25152056792 and 25152056801.

It is an unprimeable number.

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 8 ways as a sum of consecutive naturals, for example, 56776431 + ... + 56776873.

Almost surely, 2^25152056836 is an apocalyptic number.

25152056836 is the 158594-th square number.

It is an amenable number.

25152056836 is a deficient number, since it is larger than the sum of its proper divisors (19211459235).

25152056836 is an frugal number, since it uses more digits than its factorization.

25152056836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248 (or 624 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 43.

The spelling of 25152056836 in words is "twenty-five billion, one hundred fifty-two million, fifty-six thousand, eight hundred thirty-six".