1158575680 has 56 divisors (see below), whose sum is σ = 2772095040. Its totient is φ = 461207040.

The previous prime is 1158575651. The next prime is 1158575713. The reversal of 1158575680 is 865758511.

It is a self number, because there is not a number n which added to its sum of digits gives 1158575680.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58941 + ... + 76099.

Almost surely, 2^1158575680 is an apocalyptic number.

1158575680 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 1158575680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1386047520).

1158575680 is an abundant number, since it is smaller than the sum of its proper divisors (1613519360).

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

1158575680 is a wasteful number, since it uses less digits than its factorization.

1158575680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17387 (or 17377 counting only the distinct ones).

The product of its (nonzero) digits is 336000, while the sum is 46.

The square root of 1158575680 is about 34037.8565717643. The cubic root of 1158575680 is about 1050.2873529480.

The spelling of 1158575680 in words is "one billion, one hundred fifty-eight million, five hundred seventy-five thousand, six hundred eighty".