1158981094976 has 112 divisors (see below), whose sum is σ = 2519940553200. Its totient is φ = 526422048768.

The previous prime is 1158981094969. The next prime is 1158981094991. The reversal of 1158981094976 is 6794901898511.

It can be written as a sum of positive squares in 8 ways, for example, as 185554177600 + 973426917376 = 430760^2 + 986624^2 .

It is a Harshad number since it is a multiple of its sum of digits (68).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186059030 + ... + 186065258.

It is an arithmetic number, because the mean of its divisors is an integer number (22499469225).

Almost surely, 2^{1158981094976} is an apocalyptic number.

1158981094976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1158981094976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1259970276600).

1158981094976 is an abundant number, since it is smaller than the sum of its proper divisors (1360959458224).

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

1158981094976 is a wasteful number, since it uses less digits than its factorization.

1158981094976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12184 (or 12174 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 68.

The spelling of 1158981094976 in words is "one trillion, one hundred fifty-eight billion, nine hundred eighty-one million, ninety-four thousand, nine hundred seventy-six".