1151315968 has 156 divisors (see below), whose sum is σ = 2666858544. Its totient is φ = 495616000.

The previous prime is 1151315941. The next prime is 1151315969. The reversal of 1151315968 is 8695131511.

It is a self number, because there is not a number n which added to its sum of digits gives 1151315968.

It is not an unprimeable number, because it can be changed into a prime (1151315969) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 11399118 + ... + 11399218.

Almost surely, 2^1151315968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1151315968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1333429272).

1151315968 is an abundant number, since it is smaller than the sum of its proper divisors (1515542576).

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

1151315968 is a wasteful number, since it uses less digits than its factorization.

1151315968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170 (or 137 counting only the distinct ones).

The product of its digits is 32400, while the sum is 40.

The square root of 1151315968 is about 33931.0472576371. The cubic root of 1151315968 is about 1048.0890315365.

The spelling of 1151315968 in words is "one billion, one hundred fifty-one million, three hundred fifteen thousand, nine hundred sixty-eight".