1158280116 has 48 divisors (see below), whose sum is σ = 3172235136. Its totient is φ = 321992064.

The previous prime is 1158280111. The next prime is 1158280117. The reversal of 1158280116 is 6110828511.

It is a super-2 number, since 2×1158280116² = 2683225654241946912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1158280111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183231 + ... + 189446.

It is an arithmetic number, because the mean of its divisors is an integer number (66088232).

Almost surely, 2^1158280116 is an apocalyptic number.

It is an amenable number.

1158280116 is an abundant number, since it is smaller than the sum of its proper divisors (2013955020).

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

1158280116 is a wasteful number, since it uses less digits than its factorization.

1158280116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372728 (or 372726 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 33.

The square root of 1158280116 is about 34033.5145995826. The cubic root of 1158280116 is about 1050.1980324895.

The spelling of 1158280116 in words is "one billion, one hundred fifty-eight million, two hundred eighty thousand, one hundred sixteen".