11178516842 has 8 divisors (see below), whose sum is σ = 17345974500. Its totient is φ = 5396525344.

The previous prime is 11178516809. The next prime is 11178516859. The reversal of 11178516842 is 24861587111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10208879521 + 969637321 = 101039^2 + 31139^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 11178516793 and 11178516802.

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, 96366467 + ... + 96366582.

Almost surely, 2^11178516842 is an apocalyptic number.

11178516842 is a deficient number, since it is larger than the sum of its proper divisors (6167457658).

11178516842 is a wasteful number, since it uses less digits than its factorization.

11178516842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192733080.

The product of its digits is 107520, while the sum is 44.

The spelling of 11178516842 in words is "eleven billion, one hundred seventy-eight million, five hundred sixteen thousand, eight hundred forty-two".