11153543412 has 96 divisors (see below), whose sum is σ = 28745619840. Its totient is φ = 3337850880.

The previous prime is 11153543411. The next prime is 11153543417. The reversal of 11153543412 is 21434535111.

It is a self number, because there is not a number n which added to its sum of digits gives 11153543412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11153543411) 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, 4667514 + ... + 4669902.

It is an arithmetic number, because the mean of its divisors is an integer number (299433540).

Almost surely, 2^11153543412 is an apocalyptic number.

11153543412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11153543412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14372809920).

11153543412 is an abundant number, since it is smaller than the sum of its proper divisors (17592076428).

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

11153543412 is a wasteful number, since it uses less digits than its factorization.

11153543412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2833 (or 2831 counting only the distinct ones).

The product of its digits is 7200, while the sum is 30.

The spelling of 11153543412 in words is "eleven billion, one hundred fifty-three million, five hundred forty-three thousand, four hundred twelve".