111505342442 has 16 divisors (see below), whose sum is σ = 180155404800. Its totient is φ = 51455035632.

The previous prime is 111505342423. The next prime is 111505342469. The reversal of 111505342442 is 244243505111.

It is a junction number, because it is equal to n+sod(n) for n = 111505342399 and 111505342408.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220442 + ... + 521157.

It is an arithmetic number, because the mean of its divisors is an integer number (11259712800).

Almost surely, 2^111505342442 is an apocalyptic number.

111505342442 is a deficient number, since it is larger than the sum of its proper divisors (68650062358).

111505342442 is a wasteful number, since it uses less digits than its factorization.

111505342442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747397.

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 111505342442 its reverse (244243505111), we get a palindrome (355748847553).

The spelling of 111505342442 in words is "one hundred eleven billion, five hundred five million, three hundred forty-two thousand, four hundred forty-two".