111544322402 has 8 divisors (see below), whose sum is σ = 167482310700. Its totient is φ = 55716885504.

The previous prime is 111544322399. The next prime is 111544322413. The reversal of 111544322402 is 204223445111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 111141557641 + 402764761 = 333379^2 + 20069^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 27635327 + ... + 27639362.

Almost surely, 2^111544322402 is an apocalyptic number.

111544322402 is a deficient number, since it is larger than the sum of its proper divisors (55937988298).

111544322402 is a wasteful number, since it uses less digits than its factorization.

111544322402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55275700.

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 111544322402 its reverse (204223445111), we get a palindrome (315767767513).

The spelling of 111544322402 in words is "one hundred eleven billion, five hundred forty-four million, three hundred twenty-two thousand, four hundred two".