11122344445678 has 8 divisors (see below), whose sum is σ = 16690553165160. Its totient is φ = 5558826723960.

The previous prime is 11122344445673. The next prime is 11122344445691. The reversal of 11122344445678 is 87654444322111.

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

It is a super-3 number, since 3×11122344445678³ (a number of 40 digits) contains 333 as substring.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11122344445673) 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, 1172743513 + ... + 1172752996.

It is an arithmetic number, because the mean of its divisors is an integer number (2086319145645).

Almost surely, 2^{11122344445678} is an apocalyptic number.

11122344445678 is a deficient number, since it is larger than the sum of its proper divisors (5568208719482).

11122344445678 is a wasteful number, since it uses less digits than its factorization.

11122344445678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2345498882.

The product of its digits is 5160960, while the sum is 52.

Adding to 11122344445678 its reverse (87654444322111), we get a palindrome (98776788767789).

The spelling of 11122344445678 in words is "eleven trillion, one hundred twenty-two billion, three hundred forty-four million, four hundred forty-five thousand, six hundred seventy-eight".