11115223454 has 8 divisors (see below), whose sum is σ = 16800109128. Its totient is φ = 5515187080.

The previous prime is 11115223367. The next prime is 11115223463. The reversal of 11115223454 is 45432251111.

It is a happy number.

11115223454 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21211997 + ... + 21212520.

It is an arithmetic number, because the mean of its divisors is an integer number (2100013641).

Almost surely, 2^11115223454 is an apocalyptic number.

11115223454 is a deficient number, since it is larger than the sum of its proper divisors (5684885674).

11115223454 is a wasteful number, since it uses less digits than its factorization.

11115223454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42424650.

The product of its digits is 4800, while the sum is 29.

Adding to 11115223454 its reverse (45432251111), we get a palindrome (56547474565).

The spelling of 11115223454 in words is "eleven billion, one hundred fifteen million, two hundred twenty-three thousand, four hundred fifty-four".