111941139123 has 12 divisors (see below), whose sum is σ = 176392098168. Its totient is φ = 67843114560.

The previous prime is 111941139073. The next prime is 111941139209. The reversal of 111941139123 is 321931149111.

111941139123 is a `hidden beast` number, since 1 + 119 + 411 + 3 + 9 + 123 = 666.

It is not a de Polignac number, because 111941139123 - 2⁶ = 111941139059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111941139923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 565359190 + ... + 565359387.

It is an arithmetic number, because the mean of its divisors is an integer number (14699341514).

Almost surely, 2^111941139123 is an apocalyptic number.

111941139123 is a deficient number, since it is larger than the sum of its proper divisors (64450959045).

111941139123 is a wasteful number, since it uses less digits than its factorization.

111941139123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1130718594 (or 1130718591 counting only the distinct ones).

The product of its digits is 5832, while the sum is 36.

The spelling of 111941139123 in words is "one hundred eleven billion, nine hundred forty-one million, one hundred thirty-nine thousand, one hundred twenty-three".