11581376180324 has 48 divisors (see below), whose sum is σ = 22096916550576. Its totient is φ = 5289580953600.

The previous prime is 11581376180323. The next prime is 11581376180357. The reversal of 11581376180324 is 42308167318511.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 4378765502500 + 7202610677824 = 2092550^2 + 2683768^2 .

It is a super-2 number, since 2×11581376180324² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11581376180323) 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 15 ways as a sum of consecutive naturals, for example, 10223597 + ... + 11299764.

It is an arithmetic number, because the mean of its divisors is an integer number (460352428137).

Almost surely, 2^{11581376180324} is an apocalyptic number.

It is an amenable number.

11581376180324 is a deficient number, since it is larger than the sum of its proper divisors (10515540370252).

11581376180324 is a wasteful number, since it uses less digits than its factorization.

11581376180324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21523616 (or 21523614 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 50.

The spelling of 11581376180324 in words is "eleven trillion, five hundred eighty-one billion, three hundred seventy-six million, one hundred eighty thousand, three hundred twenty-four".