11109274056 has 96 divisors (see below), whose sum is σ = 30551320800. Its totient is φ = 3646368000.

The previous prime is 11109274039. The next prime is 11109274063. The reversal of 11109274056 is 65047290111.

It is a super-2 number, since 2×11109274056² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 11109274056.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1604955 + ... + 1611861.

It is an arithmetic number, because the mean of its divisors is an integer number (318242925).

Almost surely, 2^11109274056 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 11109274056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15275660400).

11109274056 is an abundant number, since it is smaller than the sum of its proper divisors (19442046744).

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

11109274056 is a wasteful number, since it uses less digits than its factorization.

11109274056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7259 (or 7252 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The spelling of 11109274056 in words is "eleven billion, one hundred nine million, two hundred seventy-four thousand, fifty-six".