111011616406 has 8 divisors (see below), whose sum is σ = 167514535440. Its totient is φ = 55173437928.

The previous prime is 111011616367. The next prime is 111011616421. The reversal of 111011616406 is 604616110111.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166184721 + ... + 166185388.

It is an arithmetic number, because the mean of its divisors is an integer number (20939316930).

Almost surely, 2^111011616406 is an apocalyptic number.

111011616406 is a deficient number, since it is larger than the sum of its proper divisors (56502919034).

111011616406 is a wasteful number, since it uses less digits than its factorization.

111011616406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332370278.

The product of its (nonzero) digits is 864, while the sum is 28.

Adding to 111011616406 its reverse (604616110111), we get a palindrome (715627726517).

The spelling of 111011616406 in words is "one hundred eleven billion, eleven million, six hundred sixteen thousand, four hundred six".