11105878939 has 2 divisors, whose sum is σ = 11105878940. Its totient is φ = 11105878938.

The previous prime is 11105878921. The next prime is 11105878943. The reversal of 11105878939 is 93987850111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11105878939 - 2²⁹ = 10569008027 is a prime.

It is not a weakly prime, because it can be changed into another prime (11105878139) 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, 5552939469 + 5552939470.

It is an arithmetic number, because the mean of its divisors is an integer number (5552939470).

Almost surely, 2^11105878939 is an apocalyptic number.

11105878939 is a deficient number, since it is larger than the sum of its proper divisors (1).

11105878939 is an equidigital number, since it uses as much as digits as its factorization.

11105878939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 52.

The spelling of 11105878939 in words is "eleven billion, one hundred five million, eight hundred seventy-eight thousand, nine hundred thirty-nine".