1156116322608 has 160 divisors (see below), whose sum is σ = 3295949045760. Its totient is φ = 346933217280.

The previous prime is 1156116322597. The next prime is 1156116322723. The reversal of 1156116322608 is 8062236116511.

It is a self number, because there is not a number n which added to its sum of digits gives 1156116322608.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 100360273 + ... + 100371791.

It is an arithmetic number, because the mean of its divisors is an integer number (20599681536).

Almost surely, 2^{1156116322608} 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 1156116322608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1647974522880).

1156116322608 is an abundant number, since it is smaller than the sum of its proper divisors (2139832723152).

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

1156116322608 is a wasteful number, since it uses less digits than its factorization.

1156116322608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15507 (or 15501 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 42.

The spelling of 1156116322608 in words is "one trillion, one hundred fifty-six billion, one hundred sixteen million, three hundred twenty-two thousand, six hundred eight".