18245725152 has 48 divisors (see below), whose sum is σ = 48609896832. Its totient is φ = 5991131520.

The previous prime is 18245725093. The next prime is 18245725171. The reversal of 18245725152 is 25152754281.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1411924 + ... + 1424787.

It is an arithmetic number, because the mean of its divisors is an integer number (1012706184).

Almost surely, 2^18245725152 is an apocalyptic number.

18245725152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18245725152 is an abundant number, since it is smaller than the sum of its proper divisors (30364171680).

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

18245725152 is a wasteful number, since it uses less digits than its factorization.

18245725152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2836791 (or 2836783 counting only the distinct ones).

The product of its digits is 224000, while the sum is 42.

The spelling of 18245725152 in words is "eighteen billion, two hundred forty-five million, seven hundred twenty-five thousand, one hundred fifty-two".