25550533332825 has 48 divisors (see below), whose sum is σ = 43281059584896. Its totient is φ = 13292380403200.

The previous prime is 25550533332809. The next prime is 25550533332833. The reversal of 25550533332825 is 52823333505552.

It is not a de Polignac number, because 25550533332825 - 2⁴ = 25550533332809 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17926612 + ... + 19299338.

It is an arithmetic number, because the mean of its divisors is an integer number (901688741352).

Almost surely, 2^{25550533332825} is an apocalyptic number.

25550533332825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25550533332825 is a deficient number, since it is larger than the sum of its proper divisors (17730526252071).

25550533332825 is a wasteful number, since it uses less digits than its factorization.

25550533332825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378834 (or 1378829 counting only the distinct ones).

The product of its (nonzero) digits is 16200000, while the sum is 51.

The spelling of 25550533332825 in words is "twenty-five trillion, five hundred fifty billion, five hundred thirty-three million, three hundred thirty-two thousand, eight hundred twenty-five".