1160855280 has 160 divisors (see below), whose sum is σ = 4306182720. Its totient is φ = 285742080.

The previous prime is 1160855261. The next prime is 1160855281. The reversal of 1160855280 is 825580611.

It is a super-2 number, since 2×1160855280² = 2695169962207756800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1160855281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7410 + ... + 48750.

It is an arithmetic number, because the mean of its divisors is an integer number (26913642).

Almost surely, 2^1160855280 is an apocalyptic number.

1160855280 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 1160855280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2153091360).

1160855280 is an abundant number, since it is smaller than the sum of its proper divisors (3145327440).

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

1160855280 is a wasteful number, since it uses less digits than its factorization.

1160855280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41376 (or 41364 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 36.

The square root of 1160855280 is about 34071.3263610327. The cubic root of 1160855280 is about 1050.9757460372.

The spelling of 1160855280 in words is "one billion, one hundred sixty million, eight hundred fifty-five thousand, two hundred eighty".