25552518245772 has 48 divisors (see below), whose sum is σ = 71102659471872. Its totient is φ = 6983296911360.

The previous prime is 25552518245753. The next prime is 25552518245789. The reversal of 25552518245772 is 27754281525552.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6612968629 + ... + 6612972492.

It is an arithmetic number, because the mean of its divisors is an integer number (1481305405664).

Almost surely, 2^{25552518245772} is an apocalyptic number.

It is an amenable number.

25552518245772 is an abundant number, since it is smaller than the sum of its proper divisors (45550141226100).

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

25552518245772 is a wasteful number, since it uses less digits than its factorization.

25552518245772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13225941158 (or 13225941156 counting only the distinct ones).

The product of its digits is 78400000, while the sum is 60.

The spelling of 25552518245772 in words is "twenty-five trillion, five hundred fifty-two billion, five hundred eighteen million, two hundred forty-five thousand, seven hundred seventy-two".