1158115616 has 48 divisors (see below), whose sum is σ = 2759049216. Its totient is φ = 467137536.

The previous prime is 1158115601. The next prime is 1158115631. The reversal of 1158115616 is 6165118511.

It is an interprime number because it is at equal distance from previous prime (1158115601) and next prime (1158115631).

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 7 ways as a sum of consecutive naturals, for example, 148256 + ... + 155871.

It is an arithmetic number, because the mean of its divisors is an integer number (57480192).

Almost surely, 2^1158115616 is an apocalyptic number.

1158115616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1158115616 is an abundant number, since it is smaller than the sum of its proper divisors (1600933600).

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

1158115616 is a wasteful number, since it uses less digits than its factorization.

1158115616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304161 (or 304153 counting only the distinct ones).

The product of its digits is 7200, while the sum is 35.

The square root of 1158115616 is about 34031.0977783556. The cubic root of 1158115616 is about 1050.1483134411.

The spelling of 1158115616 in words is "one billion, one hundred fifty-eight million, one hundred fifteen thousand, six hundred sixteen".