1111401342442 has 16 divisors (see below), whose sum is σ = 1667720143872. Its totient is φ = 555494677920.

The previous prime is 1111401342407. The next prime is 1111401342449. The reversal of 1111401342442 is 2442431041111.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1111401342442.

It is not an unprimeable number, because it can be changed into a prime (1111401342449) 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, 109914967 + ... + 109925077.

It is an arithmetic number, because the mean of its divisors is an integer number (104232508992).

Almost surely, 2^{1111401342442} is an apocalyptic number.

1111401342442 is a deficient number, since it is larger than the sum of its proper divisors (556318801430).

1111401342442 is a wasteful number, since it uses less digits than its factorization.

1111401342442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25053.

The product of its (nonzero) digits is 3072, while the sum is 28.

Adding to 1111401342442 its reverse (2442431041111), we get a palindrome (3553832383553).

The spelling of 1111401342442 in words is "one trillion, one hundred eleven billion, four hundred one million, three hundred forty-two thousand, four hundred forty-two".