11156654068 has 48 divisors (see below), whose sum is σ = 23310895104. Its totient is φ = 4568145120.

The previous prime is 11156654063. The next prime is 11156654123. The reversal of 11156654068 is 86045665111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11156654063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 561463 + ... + 580993.

It is an arithmetic number, because the mean of its divisors is an integer number (485643648).

Almost surely, 2^11156654068 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11156654068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11655447552).

11156654068 is an abundant number, since it is smaller than the sum of its proper divisors (12154241036).

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

11156654068 is a wasteful number, since it uses less digits than its factorization.

11156654068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20452 (or 20450 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 43.

The spelling of 11156654068 in words is "eleven billion, one hundred fifty-six million, six hundred fifty-four thousand, sixty-eight".