1155652000 has 48 divisors (see below), whose sum is σ = 2839446792. Its totient is φ = 462259200.

The previous prime is 1155651971. The next prime is 1155652013. The reversal of 1155652000 is 2565511.

It can be written as a sum of positive squares in 4 ways, for example, as 158860816 + 996791184 = 12604^2 + 31572^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 140457 + ... + 148456.

Almost surely, 2^1155652000 is an apocalyptic number.

1155652000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1155652000 is an abundant number, since it is smaller than the sum of its proper divisors (1683794792).

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

1155652000 is an equidigital number, since it uses as much as digits as its factorization.

1155652000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288938 (or 288920 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 1155652000 is about 33994.8819677316. The cubic root of 1155652000 is about 1049.4031377301.

The spelling of 1155652000 in words is "one billion, one hundred fifty-five million, six hundred fifty-two thousand".