11115047221423 has 4 divisors (see below), whose sum is σ = 11118140753328. Its totient is φ = 11111953689520.

The previous prime is 11115047221417. The next prime is 11115047221463. The reversal of 11115047221423 is 32412274051111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11115047221423 - 2⁹ = 11115047220911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11115047221463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1546760563 + ... + 1546767748.

It is an arithmetic number, because the mean of its divisors is an integer number (2779535188332).

Almost surely, 2^{11115047221423} is an apocalyptic number.

11115047221423 is a deficient number, since it is larger than the sum of its proper divisors (3093531905).

11115047221423 is an equidigital number, since it uses as much as digits as its factorization.

11115047221423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3093531904.

The product of its (nonzero) digits is 13440, while the sum is 34.

The spelling of 11115047221423 in words is "eleven trillion, one hundred fifteen billion, forty-seven million, two hundred twenty-one thousand, four hundred twenty-three".