11534540052 has 48 divisors (see below), whose sum is σ = 32568117120. Its totient is φ = 3101724672.

The previous prime is 11534540041. The next prime is 11534540053. The reversal of 11534540052 is 25004543511.

It is a super-3 number, since 3×11534540052³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11534540053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4037277 + ... + 4040132.

It is an arithmetic number, because the mean of its divisors is an integer number (678502440).

Almost surely, 2^11534540052 is an apocalyptic number.

11534540052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11534540052 is an abundant number, since it is smaller than the sum of its proper divisors (21033577068).

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

11534540052 is a wasteful number, since it uses less digits than its factorization.

11534540052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8077440 (or 8077438 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 11534540052 in words is "eleven billion, five hundred thirty-four million, five hundred forty thousand, fifty-two".