11101542112 has 48 divisors (see below), whose sum is σ = 22887446400. Its totient is φ = 5290572672.

The previous prime is 11101542103. The next prime is 11101542143. The reversal of 11101542112 is 21124510111.

It is a self number, because there is not a number n which added to its sum of digits gives 11101542112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181639 + ... + 234937.

It is an arithmetic number, because the mean of its divisors is an integer number (476821800).

Almost surely, 2^11101542112 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 11101542112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11443723200).

11101542112 is an abundant number, since it is smaller than the sum of its proper divisors (11785904288).

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

11101542112 is a wasteful number, since it uses less digits than its factorization.

11101542112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53615 (or 53607 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 19.

The spelling of 11101542112 in words is "eleven billion, one hundred one million, five hundred forty-two thousand, one hundred twelve".