111550164242 has 16 divisors (see below), whose sum is σ = 182573546400. Its totient is φ = 50694366240.

The previous prime is 111550164241. The next prime is 111550164251. The reversal of 111550164242 is 242461055111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 111550164199 and 111550164208.

It is not an unprimeable number, because it can be changed into a prime (111550164241) 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, 400892 + ... + 619527.

It is an arithmetic number, because the mean of its divisors is an integer number (11410846650).

Almost surely, 2^111550164242 is an apocalyptic number.

111550164242 is a deficient number, since it is larger than the sum of its proper divisors (71023382158).

111550164242 is a wasteful number, since it uses less digits than its factorization.

111550164242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025401.

The product of its (nonzero) digits is 9600, while the sum is 32.

The spelling of 111550164242 in words is "one hundred eleven billion, five hundred fifty million, one hundred sixty-four thousand, two hundred forty-two".