1150755720 has 64 divisors (see below), whose sum is σ = 3466679040. Its totient is φ = 305587200.

The previous prime is 1150755719. The next prime is 1150755761. The reversal of 1150755720 is 275570511.

It is a super-2 number, since 2×1150755720² = 2648477454225436800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9025 + ... + 48815.

It is an arithmetic number, because the mean of its divisors is an integer number (54166860).

Almost surely, 2^1150755720 is an apocalyptic number.

1150755720 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 1150755720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1733339520).

1150755720 is an abundant number, since it is smaller than the sum of its proper divisors (2315923320).

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

1150755720 is a wasteful number, since it uses less digits than its factorization.

1150755720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40046 (or 40042 counting only the distinct ones).

The product of its (nonzero) digits is 12250, while the sum is 33.

The square root of 1150755720 is about 33922.7905691734. The cubic root of 1150755720 is about 1047.9189985566.

The spelling of 1150755720 in words is "one billion, one hundred fifty million, seven hundred fifty-five thousand, seven hundred twenty".