25555344984084 has 48 divisors (see below), whose sum is σ = 60194601568640. Its totient is φ = 8437715671680.

The previous prime is 25555344984031. The next prime is 25555344984089. The reversal of 25555344984084 is 48048944355552.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25555344984089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1291962 + ... + 7264974.

Almost surely, 2^{25555344984084} is an apocalyptic number.

It is an amenable number.

25555344984084 is an abundant number, since it is smaller than the sum of its proper divisors (34639256584556).

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

25555344984084 is a wasteful number, since it uses less digits than its factorization.

25555344984084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5976400 (or 5976398 counting only the distinct ones).

The product of its (nonzero) digits is 552960000, while the sum is 66.

The spelling of 25555344984084 in words is "twenty-five trillion, five hundred fifty-five billion, three hundred forty-four million, nine hundred eighty-four thousand, eighty-four".