1138448579105 has 16 divisors (see below), whose sum is σ = 1368789683520. Its totient is φ = 908992231488.

The previous prime is 1138448579017. The next prime is 1138448579113. The reversal of 1138448579105 is 5019758448311.

It is a cyclic number.

It is not a de Polignac number, because 1138448579105 - 2⁸ = 1138448578849 is a prime.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9731339 + ... + 9847631.

It is an arithmetic number, because the mean of its divisors is an integer number (85549355220).

Almost surely, 2^{1138448579105} is an apocalyptic number.

It is an amenable number.

1138448579105 is a deficient number, since it is larger than the sum of its proper divisors (230341104415).

1138448579105 is a wasteful number, since it uses less digits than its factorization.

1138448579105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120080.

The product of its (nonzero) digits is 4838400, while the sum is 56.

The spelling of 1138448579105 in words is "one trillion, one hundred thirty-eight billion, four hundred forty-eight million, five hundred seventy-nine thousand, one hundred five".