111411720205742 has 64 divisors (see below), whose sum is σ = 183720542439168. Its totient is φ = 50251656000000.

The previous prime is 111411720205703. The next prime is 111411720205813. The reversal of 111411720205742 is 247502027114111.

It is a junction number, because it is equal to n+sod(n) for n = 111411720205696 and 111411720205705.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 2301252728 + ... + 2301301140.

It is an arithmetic number, because the mean of its divisors is an integer number (2870633475612).

Almost surely, 2^{111411720205742} is an apocalyptic number.

111411720205742 is a deficient number, since it is larger than the sum of its proper divisors (72308822233426).

111411720205742 is a wasteful number, since it uses less digits than its factorization.

111411720205742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50225.

The product of its (nonzero) digits is 31360, while the sum is 38.

Adding to 111411720205742 its reverse (247502027114111), we get a palindrome (358913747319853).

The spelling of 111411720205742 in words is "one hundred eleven trillion, four hundred eleven billion, seven hundred twenty million, two hundred five thousand, seven hundred forty-two".