11212035534 has 96 divisors (see below), whose sum is σ = 29429300160. Its totient is φ = 3011613696.

The previous prime is 11212035533. The next prime is 11212035563. The reversal of 11212035534 is 43553021211.

11212035534 is a `hidden beast` number, since 1 + 1 + 2 + 120 + 3 + 5 + 534 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 11212035498 and 11212035507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212035533) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2338812 + ... + 2343600.

It is an arithmetic number, because the mean of its divisors is an integer number (306555210).

Almost surely, 2^11212035534 is an apocalyptic number.

11212035534 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11212035534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14714650080).

11212035534 is an abundant number, since it is smaller than the sum of its proper divisors (18217264626).

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

11212035534 is a wasteful number, since it uses less digits than its factorization.

11212035534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5914 (or 5911 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 11212035534 its reverse (43553021211), we get a palindrome (54765056745).

The spelling of 11212035534 in words is "eleven billion, two hundred twelve million, thirty-five thousand, five hundred thirty-four".