111049395513839 has 4 divisors (see below), whose sum is σ = 117581712897024. Its totient is φ = 104517078130656.

The previous prime is 111049395513799. The next prime is 111049395513899. The reversal of 111049395513839 is 938315593940111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 111049395513839 - 2²⁴ = 111049378736623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111049395513899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3266158691567 + ... + 3266158691600.

It is an arithmetic number, because the mean of its divisors is an integer number (29395428224256).

Almost surely, 2^{111049395513839} is an apocalyptic number.

111049395513839 is a deficient number, since it is larger than the sum of its proper divisors (6532317383185).

111049395513839 is an equidigital number, since it uses as much as digits as its factorization.

111049395513839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6532317383184.

The product of its (nonzero) digits is 15746400, while the sum is 62.

The spelling of 111049395513839 in words is "one hundred eleven trillion, forty-nine billion, three hundred ninety-five million, five hundred thirteen thousand, eight hundred thirty-nine".