1181362746564 has 432 divisors, whose sum is σ = 4050016239360. Its totient is φ = 282531110400.

The previous prime is 1181362746563. The next prime is 1181362746569. The reversal of 1181362746564 is 4656472631811.

1181362746564 is a `hidden beast` number, since 1 + 1 + 8 + 1 + 3 + 6 + 2 + 74 + 6 + 564 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1181362746564.

It is not an unprimeable number, because it can be changed into a prime (1181362746563) by changing a digit.

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 143 ways as a sum of consecutive naturals, for example, 166879177 + ... + 166886255.

Almost surely, 2^{1181362746564} is an apocalyptic number.

1181362746564 is a gapful number since it is divisible by the number (14) 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 1181362746564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2025008119680).

1181362746564 is an abundant number, since it is smaller than the sum of its proper divisors (2868653492796).

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

1181362746564 is a wasteful number, since it uses less digits than its factorization.

1181362746564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7552 (or 7536 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 54.

The spelling of 1181362746564 in words is "one trillion, one hundred eighty-one billion, three hundred sixty-two million, seven hundred forty-six thousand, five hundred sixty-four".