1165305300552 has 192 divisors, whose sum is σ = 3336475484160. Its totient is φ = 380950516800.

The previous prime is 1165305300547. The next prime is 1165305300583. The reversal of 1165305300552 is 2550035035611.

1165305300552 is a `hidden beast` number, since 1 + 1 + 6 + 53 + 0 + 53 + 0 + 0 + 552 = 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 (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26340483 + ... + 26384685.

It is an arithmetic number, because the mean of its divisors is an integer number (17377476480).

Almost surely, 2^{1165305300552} is an apocalyptic number.

1165305300552 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 1165305300552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1668237742080).

1165305300552 is an abundant number, since it is smaller than the sum of its proper divisors (2171170183608).

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

1165305300552 is a wasteful number, since it uses less digits than its factorization.

1165305300552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44486 (or 44470 counting only the distinct ones).

The product of its (nonzero) digits is 67500, while the sum is 36.

The spelling of 1165305300552 in words is "one trillion, one hundred sixty-five billion, three hundred five million, three hundred thousand, five hundred fifty-two".