11404042115 has 8 divisors (see below), whose sum is σ = 13872314688. Its totient is φ = 8998257600.

The previous prime is 11404042109. The next prime is 11404042213. The reversal of 11404042115 is 51124040411.

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

It is not a de Polignac number, because 11404042115 - 2¹⁸ = 11403779971 is a prime.

It is a Duffinian number.

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, 15621611 + ... + 15622340.

It is an arithmetic number, because the mean of its divisors is an integer number (1734039336).

Almost surely, 2^11404042115 is an apocalyptic number.

11404042115 is a deficient number, since it is larger than the sum of its proper divisors (2468272573).

11404042115 is an equidigital number, since it uses as much as digits as its factorization.

11404042115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31244029.

The product of its (nonzero) digits is 640, while the sum is 23.

Adding to 11404042115 its reverse (51124040411), we get a palindrome (62528082526).

The spelling of 11404042115 in words is "eleven billion, four hundred four million, forty-two thousand, one hundred fifteen".