18055376825 has 6 divisors (see below), whose sum is σ = 22388667294. Its totient is φ = 14444301440.

The previous prime is 18055376761. The next prime is 18055376827. The reversal of 18055376825 is 52867355081.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 372760249 + 17682616576 = 19307^2 + 132976^2 .

It is not a de Polignac number, because 18055376825 - 2⁶ = 18055376761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18055376827) 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 5 ways as a sum of consecutive naturals, for example, 361107512 + ... + 361107561.

It is an arithmetic number, because the mean of its divisors is an integer number (3731444549).

Almost surely, 2^18055376825 is an apocalyptic number.

It is an amenable number.

18055376825 is a deficient number, since it is larger than the sum of its proper divisors (4333290469).

18055376825 is an equidigital number, since it uses as much as digits as its factorization.

18055376825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722215083 (or 722215078 counting only the distinct ones).

The product of its (nonzero) digits is 2016000, while the sum is 50.

The spelling of 18055376825 in words is "eighteen billion, fifty-five million, three hundred seventy-six thousand, eight hundred twenty-five".