11438870080385 has 32 divisors (see below), whose sum is σ = 15012026984448. Its totient is φ = 8298353891520.

The previous prime is 11438870080369. The next prime is 11438870080397. The reversal of 11438870080385 is 58308007883411.

It is not a de Polignac number, because 11438870080385 - 2⁴ = 11438870080369 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 a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11438870080385.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75376994 + ... + 75528596.

It is an arithmetic number, because the mean of its divisors is an integer number (469125843264).

Almost surely, 2^{11438870080385} is an apocalyptic number.

It is an amenable number.

11438870080385 is a deficient number, since it is larger than the sum of its proper divisors (3573156904063).

11438870080385 is a wasteful number, since it uses less digits than its factorization.

11438870080385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155045.

The product of its (nonzero) digits is 5160960, while the sum is 56.

The spelling of 11438870080385 in words is "eleven trillion, four hundred thirty-eight billion, eight hundred seventy million, eighty thousand, three hundred eighty-five".