11144066556 has 96 divisors (see below), whose sum is σ = 31038497280. Its totient is φ = 3045406464.

The previous prime is 11144066551. The next prime is 11144066567. The reversal of 11144066556 is 65566044111.

It is a happy number.

It is a super-2 number, since 2×11144066556² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11144066551) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 152986 + ... + 213758.

It is an arithmetic number, because the mean of its divisors is an integer number (323317680).

Almost surely, 2^11144066556 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 11144066556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15519248640).

11144066556 is an abundant number, since it is smaller than the sum of its proper divisors (19894430724).

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

11144066556 is a wasteful number, since it uses less digits than its factorization.

11144066556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60883 (or 60881 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 39.

The spelling of 11144066556 in words is "eleven billion, one hundred forty-four million, sixty-six thousand, five hundred fifty-six".