61111123339 has 8 divisors (see below), whose sum is σ = 71159044320. Its totient is φ = 51392642496.

The previous prime is 61111123301. The next prime is 61111123363. The reversal of 61111123339 is 93332111116.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61111123339 - 2³⁵ = 26751384971 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61111123339.

It is not an unprimeable number, because it can be changed into a prime (61111123399) 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 in 7 ways as a sum of consecutive naturals, for example, 82359634 + ... + 82360375.

It is an arithmetic number, because the mean of its divisors is an integer number (8894880540).

Almost surely, 2^61111123339 is an apocalyptic number.

61111123339 is a deficient number, since it is larger than the sum of its proper divisors (10047920981).

61111123339 is a wasteful number, since it uses less digits than its factorization.

61111123339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164720069.

The product of its digits is 2916, while the sum is 31.

The spelling of 61111123339 in words is "sixty-one billion, one hundred eleven million, one hundred twenty-three thousand, three hundred thirty-nine".