1156036768 has 48 divisors (see below), whose sum is σ = 2361877056. Its totient is φ = 556577280.

The previous prime is 1156036759. The next prime is 1156036789. The reversal of 1156036768 is 8676306511.

It is a Harshad number since it is a multiple of its sum of digits (43).

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, 91780 + ... + 103612.

It is an arithmetic number, because the mean of its divisors is an integer number (49205772).

Almost surely, 2^1156036768 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 1156036768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1180938528).

1156036768 is an abundant number, since it is smaller than the sum of its proper divisors (1205840288).

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

1156036768 is a wasteful number, since it uses less digits than its factorization.

1156036768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11957 (or 11949 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 1156036768 is about 34000.5407015830. The cubic root of 1156036768 is about 1049.5195891483.

The spelling of 1156036768 in words is "one billion, one hundred fifty-six million, thirty-six thousand, seven hundred sixty-eight".