11234506222278 has 12 divisors (see below), whose sum is σ = 24341430148308. Its totient is φ = 3744835407420.

The previous prime is 11234506222271. The next prime is 11234506222321. The reversal of 11234506222278 is 87222260543211.

11234506222278 is a `hidden beast` number, since 1 + 1 + 2 + 34 + 506 + 22 + 22 + 78 = 666.

11234506222278 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11234506222271) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 312069617268 + ... + 312069617303.

It is an arithmetic number, because the mean of its divisors is an integer number (2028452512359).

Almost surely, 2^{11234506222278} is an apocalyptic number.

11234506222278 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

11234506222278 is an abundant number, since it is smaller than the sum of its proper divisors (13106923926030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11234506222278 is a wasteful number, since it uses less digits than its factorization.

11234506222278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624139234579 (or 624139234576 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

Adding to 11234506222278 its reverse (87222260543211), we get a palindrome (98456766765489).

The spelling of 11234506222278 in words is "eleven trillion, two hundred thirty-four billion, five hundred six million, two hundred twenty-two thousand, two hundred seventy-eight".