1158016518220 has 24 divisors (see below), whose sum is σ = 2431907123184. Its totient is φ = 463192810176.

The previous prime is 1158016518173. The next prime is 1158016518271. The reversal of 1158016518220 is 228156108511.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 160134 + ... + 1530253.

It is an arithmetic number, because the mean of its divisors is an integer number (101329463466).

Almost surely, 2^{1158016518220} is an apocalyptic number.

1158016518220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1158016518220 is an abundant number, since it is smaller than the sum of its proper divisors (1273890604964).

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

1158016518220 is a wasteful number, since it uses less digits than its factorization.

1158016518220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1724649 (or 1724647 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 40.

The spelling of 1158016518220 in words is "one trillion, one hundred fifty-eight billion, sixteen million, five hundred eighteen thousand, two hundred twenty".