1153785000 has 80 divisors (see below), whose sum is σ = 3604471200. Its totient is φ = 307672000.

The previous prime is 1153784971. The next prime is 1153785007. The reversal of 1153785000 is 5873511.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (1153785007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 23460 + ... + 53459.

It is an arithmetic number, because the mean of its divisors is an integer number (45055890).

Almost surely, 2^1153785000 is an apocalyptic number.

1153785000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1153785000 is an abundant number, since it is smaller than the sum of its proper divisors (2450686200).

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

1153785000 is an equidigital number, since it uses as much as digits as its factorization.

1153785000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76948 (or 76929 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 30.

The square root of 1153785000 is about 33967.4108521683. The cubic root of 1153785000 is about 1048.8377161673.

The spelling of 1153785000 in words is "one billion, one hundred fifty-three million, seven hundred eighty-five thousand".