1151132500 has 90 divisors (see below), whose sum is σ = 2928595362. Its totient is φ = 394632000.

The previous prime is 1151132491. The next prime is 1151132533. The reversal of 1151132500 is 52311511.

It can be written as a sum of positive squares in 5 ways, for example, as 848789956 + 302342544 = 29134^2 + 17388^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 117802 + ... + 127198.

Almost surely, 2^1151132500 is an apocalyptic number.

1151132500 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 1151132500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1464297681).

1151132500 is an abundant number, since it is smaller than the sum of its proper divisors (1777462862).

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

1151132500 is an equidigital number, since it uses as much as digits as its factorization.

1151132500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9435 (or 9411 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 1151132500 is about 33928.3436082577. The cubic root of 1151132500 is about 1048.0333558231.

The spelling of 1151132500 in words is "one billion, one hundred fifty-one million, one hundred thirty-two thousand, five hundred".