11439134788041 has 9 divisors (see below), whose sum is σ = 16523209349959. Its totient is φ = 7626083094336.

The previous prime is 11439134788027. The next prime is 11439134788049. The reversal of 11439134788041 is 14088743193411.

The square root of 11439134788041 is 3382179.

It is a perfect power (a square), and thus also a powerful number.

11439134788041 is a `hidden beast` number, since 1 + 1 + 4 + 3 + 91 + 3 + 478 + 80 + 4 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3815439489225 + 7623695298816 = 1953315^2 + 2761104^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 11439134788041 - 2⁹ = 11439134787529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11439134788049) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 9582841 + ... + 10710233.

Almost surely, 2^{11439134788041} is an apocalyptic number.

11439134788041 is the 3382179-th square number.

11439134788041 is the 1691090-th centered octagonal number.

It is an amenable number.

11439134788041 is a deficient number, since it is larger than the sum of its proper divisors (5084074561918).

11439134788041 is an frugal number, since it uses more digits than its factorization.

11439134788041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2254792 (or 1127396 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 54.

The spelling of 11439134788041 in words is "eleven trillion, four hundred thirty-nine billion, one hundred thirty-four million, seven hundred eighty-eight thousand, forty-one".