11583143218438 has 32 divisors (see below), whose sum is σ = 19439754838272. Its totient is φ = 5131514076000.

The previous prime is 11583143218363. The next prime is 11583143218441. The reversal of 11583143218438 is 83481234138511.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 32718256 + ... + 33070387.

It is an arithmetic number, because the mean of its divisors is an integer number (607492338696).

Almost surely, 2^{11583143218438} is an apocalyptic number.

11583143218438 is a deficient number, since it is larger than the sum of its proper divisors (7856611619834).

11583143218438 is a wasteful number, since it uses less digits than its factorization.

11583143218438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65788860.

The product of its digits is 2211840, while the sum is 52.

The spelling of 11583143218438 in words is "eleven trillion, five hundred eighty-three billion, one hundred forty-three million, two hundred eighteen thousand, four hundred thirty-eight".