1158780080 has 20 divisors (see below), whose sum is σ = 2694163872. Its totient is φ = 463512000.

The previous prime is 1158780079. The next prime is 1158780107. The reversal of 1158780080 is 800878511.

It is a tau number, because it is divible by the number of its divisors (20).

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 3 ways as a sum of consecutive naturals, for example, 7242296 + ... + 7242455.

Almost surely, 2^1158780080 is an apocalyptic number.

1158780080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1158780080 is an abundant number, since it is smaller than the sum of its proper divisors (1535383792).

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

1158780080 is a wasteful number, since it uses less digits than its factorization.

1158780080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14484764 (or 14484758 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 38.

The square root of 1158780080 is about 34040.8589785863. The cubic root of 1158780080 is about 1050.3491144467.

The spelling of 1158780080 in words is "one billion, one hundred fifty-eight million, seven hundred eighty thousand, eighty".