11115413171242 has 8 divisors (see below), whose sum is σ = 16673133947076. Its totient is φ = 5557701855552.

The previous prime is 11115413171209. The next prime is 11115413171257. The reversal of 11115413171242 is 24217131451111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10314959079481 + 800454091761 = 3211691^2 + 894681^2 .

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 = 11115413171198 and 11115413171207.

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, 3075298 + ... + 5629234.

Almost surely, 2^{11115413171242} is an apocalyptic number.

11115413171242 is a deficient number, since it is larger than the sum of its proper divisors (5557720775834).

11115413171242 is a wasteful number, since it uses less digits than its factorization.

11115413171242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4730072.

The product of its digits is 6720, while the sum is 34.

The spelling of 11115413171242 in words is "eleven trillion, one hundred fifteen billion, four hundred thirteen million, one hundred seventy-one thousand, two hundred forty-two".