1173349981152 has 288 divisors, whose sum is σ = 3599494778880. Its totient is φ = 361826196480.

The previous prime is 1173349981147. The next prime is 1173349981171. The reversal of 1173349981152 is 2511899433711.

1173349981152 is a `hidden beast` number, since 1 + 1 + 7 + 33 + 499 + 8 + 115 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a congruent 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 47 ways as a sum of consecutive naturals, for example, 18010974 + ... + 18076002.

It is an arithmetic number, because the mean of its divisors is an integer number (12498245760).

Almost surely, 2^{1173349981152} is an apocalyptic number.

1173349981152 is a gapful number since it is divisible by the number (12) 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 1173349981152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1799747389440).

1173349981152 is an abundant number, since it is smaller than the sum of its proper divisors (2426144797728).

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

1173349981152 is a wasteful number, since it uses less digits than its factorization.

1173349981152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65166 (or 65155 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 54.

The spelling of 1173349981152 in words is "one trillion, one hundred seventy-three billion, three hundred forty-nine million, nine hundred eighty-one thousand, one hundred fifty-two".