111613320442 has 16 divisors (see below), whose sum is σ = 180381964392. Its totient is φ = 51489976320.

The previous prime is 111613320419. The next prime is 111613320457. The reversal of 111613320442 is 244023316111.

It can be written as a sum of positive squares in 4 ways, for example, as 90024601681 + 21588718761 = 300041^2 + 146931^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 111613320442.

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, 937063 + ... + 1049434.

Almost surely, 2^111613320442 is an apocalyptic number.

111613320442 is a deficient number, since it is larger than the sum of its proper divisors (68768643950).

111613320442 is a wasteful number, since it uses less digits than its factorization.

111613320442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1988673.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 111613320442 its reverse (244023316111), we get a palindrome (355636636553).

The spelling of 111613320442 in words is "one hundred eleven billion, six hundred thirteen million, three hundred twenty thousand, four hundred forty-two".