1111201505242 has 16 divisors (see below), whose sum is σ = 1765202760000. Its totient is φ = 522813670848.

The previous prime is 1111201505209. The next prime is 1111201505251. The reversal of 1111201505242 is 2425051021111.

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, 3098928 + ... + 3438859.

It is an arithmetic number, because the mean of its divisors is an integer number (110325172500).

Almost surely, 2^{1111201505242} is an apocalyptic number.

1111201505242 is a deficient number, since it is larger than the sum of its proper divisors (654001254758).

1111201505242 is a wasteful number, since it uses less digits than its factorization.

1111201505242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6542805.

The product of its (nonzero) digits is 800, while the sum is 25.

Adding to 1111201505242 its reverse (2425051021111), we get a palindrome (3536252526353).

The spelling of 1111201505242 in words is "one trillion, one hundred eleven billion, two hundred one million, five hundred five thousand, two hundred forty-two".