1825155000 has 120 divisors (see below), whose sum is σ = 6177085200. Its totient is φ = 486696000.

The previous prime is 1825154999. The next prime is 1825155023. The reversal of 1825155000 is 5515281.

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is an unprimeable number.

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 29 ways as a sum of consecutive naturals, for example, 24721 + ... + 65279.

It is an arithmetic number, because the mean of its divisors is an integer number (51475710).

Almost surely, 2^1825155000 is an apocalyptic number.

1825155000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1825155000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3088542600).

1825155000 is an abundant number, since it is smaller than the sum of its proper divisors (4351930200).

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

1825155000 is a wasteful number, since it uses less digits than its factorization.

1825155000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40591 (or 40569 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 27.

The square root of 1825155000 is about 42721.8328258515. The cubic root of 1825155000 is about 1222.0807901849.

The spelling of 1825155000 in words is "one billion, eight hundred twenty-five million, one hundred fifty-five thousand".