11578138043 has 2 divisors, whose sum is σ = 11578138044. Its totient is φ = 11578138042.

The previous prime is 11578138027. The next prime is 11578138067. The reversal of 11578138043 is 34083187511.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11578138043 - 2⁴ = 11578138027 is a prime.

It is not a weakly prime, because it can be changed into another prime (11578138003) 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 as a sum of consecutive naturals, namely, 5789069021 + 5789069022.

It is an arithmetic number, because the mean of its divisors is an integer number (5789069022).

Almost surely, 2^11578138043 is an apocalyptic number.

11578138043 is a deficient number, since it is larger than the sum of its proper divisors (1).

11578138043 is an equidigital number, since it uses as much as digits as its factorization.

11578138043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 41.

The spelling of 11578138043 in words is "eleven billion, five hundred seventy-eight million, one hundred thirty-eight thousand, forty-three".