1147165307730 has 256 divisors, whose sum is σ = 3448788295680. Its totient is φ = 269227411200.

The previous prime is 1147165307719. The next prime is 1147165307731. The reversal of 1147165307730 is 377035617411.

1147165307730 is a `hidden beast` number, since 1 + 1 + 4 + 7 + 16 + 530 + 77 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (1147165307731) by changing a digit.

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 127 ways as a sum of consecutive naturals, for example, 25084185 + ... + 25129875.

It is an arithmetic number, because the mean of its divisors is an integer number (13471829280).

Almost surely, 2^{1147165307730} is an apocalyptic number.

1147165307730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1147165307730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1724394147840).

1147165307730 is an abundant number, since it is smaller than the sum of its proper divisors (2301622987950).

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

1147165307730 is a wasteful number, since it uses less digits than its factorization.

1147165307730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46054 (or 46048 counting only the distinct ones).

The product of its (nonzero) digits is 370440, while the sum is 45.

The spelling of 1147165307730 in words is "one trillion, one hundred forty-seven billion, one hundred sixty-five million, three hundred seven thousand, seven hundred thirty".