1165010491008 has 2048 divisors, whose sum is σ = 4721310720000. Its totient is φ = 277660680192.

The previous prime is 1165010490953. The next prime is 1165010491061. The reversal of 1165010491008 is 8001940105611.

It is a happy number.

1165010491008 is a `hidden beast` number, since 1 + 1 + 6 + 501 + 0 + 49 + 100 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 14036270935 + ... + 14036271017.

It is an arithmetic number, because the mean of its divisors is an integer number (2305327500).

Almost surely, 2^{1165010491008} is an apocalyptic number.

1165010491008 is a gapful number since it is divisible by the number (18) 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 1165010491008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2360655360000).

1165010491008 is an abundant number, since it is smaller than the sum of its proper divisors (3556300228992).

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

1165010491008 is an equidigital number, since it uses as much as digits as its factorization.

1165010491008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186 (or 156 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 36.

Adding to 1165010491008 its reverse (8001940105611), we get a palindrome (9166950596619).

The spelling of 1165010491008 in words is "one trillion, one hundred sixty-five billion, ten million, four hundred ninety-one thousand, eight".