11122223455678 has 8 divisors (see below), whose sum is σ = 16793820847440. Its totient is φ = 5524283173200.

The previous prime is 11122223455667. The next prime is 11122223455687. The reversal of 11122223455678 is 87655432222111.

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

It is a plaindrome in base 10.

It is a congruent number.

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, 18414276943 + ... + 18414277546.

It is an arithmetic number, because the mean of its divisors is an integer number (2099227605930).

Almost surely, 2^{11122223455678} is an apocalyptic number.

11122223455678 is a deficient number, since it is larger than the sum of its proper divisors (5671597391762).

11122223455678 is a wasteful number, since it uses less digits than its factorization.

11122223455678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36828554642.

The product of its digits is 1612800, while the sum is 49.

Adding to 11122223455678 its reverse (87655432222111), we get a palindrome (98777655677789).

The spelling of 11122223455678 in words is "eleven trillion, one hundred twenty-two billion, two hundred twenty-three million, four hundred fifty-five thousand, six hundred seventy-eight".