1158417018368 has 160 divisors (see below), whose sum is σ = 2424991219200. Its totient is φ = 552267915264.

The previous prime is 1158417018359. The next prime is 1158417018377. The reversal of 1158417018368 is 8638107148511.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1158417018359) and next prime (1158417018377).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 401251421 + ... + 401254307.

It is an arithmetic number, because the mean of its divisors is an integer number (15156195120).

Almost surely, 2^{1158417018368} 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 1158417018368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1212495609600).

1158417018368 is an abundant number, since it is smaller than the sum of its proper divisors (1266574200832).

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

1158417018368 is an equidigital number, since it uses as much as digits as its factorization.

1158417018368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3360 (or 3344 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 53.

The spelling of 1158417018368 in words is "one trillion, one hundred fifty-eight billion, four hundred seventeen million, eighteen thousand, three hundred sixty-eight".