11123346654 has 64 divisors (see below), whose sum is σ = 29161082880. Its totient is φ = 3075576480.

The previous prime is 11123346649. The next prime is 11123346679. The reversal of 11123346654 is 45664332111.

11123346654 is a `hidden beast` number, since 1 + 112 + 33 + 466 + 54 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 462909 + ... + 486344.

It is an arithmetic number, because the mean of its divisors is an integer number (455641920).

Almost surely, 2^11123346654 is an apocalyptic number.

11123346654 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

11123346654 is an abundant number, since it is smaller than the sum of its proper divisors (18037736226).

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

11123346654 is a wasteful number, since it uses less digits than its factorization.

11123346654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 949302 (or 949296 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

Adding to 11123346654 its reverse (45664332111), we get a palindrome (56787678765).

The spelling of 11123346654 in words is "eleven billion, one hundred twenty-three million, three hundred forty-six thousand, six hundred fifty-four".