1178515968 has 80 divisors (see below), whose sum is σ = 3588192960. Its totient is φ = 336715776.

The previous prime is 1178515903. The next prime is 1178515981. The reversal of 1178515968 is 8695158711.

It is a self number, because there is not a number n which added to its sum of digits gives 1178515968.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44053 + ... + 65556.

It is an arithmetic number, because the mean of its divisors is an integer number (44852412).

Almost surely, 2^1178515968 is an apocalyptic number.

It is an amenable number.

1178515968 is an abundant number, since it is smaller than the sum of its proper divisors (2409676992).

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

1178515968 is an equidigital number, since it uses as much as digits as its factorization.

1178515968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109637 (or 109621 counting only the distinct ones).

The product of its digits is 604800, while the sum is 51.

The square root of 1178515968 is about 34329.5203578495. The cubic root of 1178515968 is about 1056.2786225312.

The spelling of 1178515968 in words is "one billion, one hundred seventy-eight million, five hundred fifteen thousand, nine hundred sixty-eight".