1151443500 has 96 divisors (see below), whose sum is σ = 3371397120. Its totient is φ = 305368000.

The previous prime is 1151443487. The next prime is 1151443511. The reversal of 1151443500 is 53441511.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 284491 + ... + 288509.

It is an arithmetic number, because the mean of its divisors is an integer number (35118720).

Almost surely, 2^1151443500 is an apocalyptic number.

1151443500 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 1151443500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1685698560).

1151443500 is an abundant number, since it is smaller than the sum of its proper divisors (2219953620).

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

1151443500 is a wasteful number, since it uses less digits than its factorization.

1151443500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4232 (or 4220 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1151443500 is about 33932.9264874104. The cubic root of 1151443500 is about 1048.1277292699.

The spelling of 1151443500 in words is "one billion, one hundred fifty-one million, four hundred forty-three thousand, five hundred".