25578033532 has 12 divisors (see below), whose sum is σ = 44763160680. Its totient is φ = 12788559056.

The previous prime is 25578033521. The next prime is 25578033539. The reversal of 25578033532 is 23533087552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25578033539) 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, 32178 + ... + 228454.

It is an arithmetic number, because the mean of its divisors is an integer number (3730263390).

Almost surely, 2^25578033532 is an apocalyptic number.

It is an amenable number.

25578033532 is a deficient number, since it is larger than the sum of its proper divisors (19185127148).

25578033532 is a wasteful number, since it uses less digits than its factorization.

25578033532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228860 (or 228858 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 43.

The spelling of 25578033532 in words is "twenty-five billion, five hundred seventy-eight million, thirty-three thousand, five hundred thirty-two".