11545345332 has 36 divisors (see below), whose sum is σ = 29189676516. Its totient is φ = 3847708800.

The previous prime is 11545345297. The next prime is 11545345333. The reversal of 11545345332 is 23354354511.

11545345332 is a `hidden beast` number, since 1 + 1 + 545 + 34 + 53 + 32 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5041568016 + 6503777316 = 71004^2 + 80646^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11545345333) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 178582 + ... + 234482.

Almost surely, 2^11545345332 is an apocalyptic number.

11545345332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11545345332 is an abundant number, since it is smaller than the sum of its proper divisors (17644331184).

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

11545345332 is a wasteful number, since it uses less digits than its factorization.

11545345332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61648 (or 61643 counting only the distinct ones).

The product of its digits is 108000, while the sum is 36.

Adding to 11545345332 its reverse (23354354511), we get a palindrome (34899699843).

The spelling of 11545345332 in words is "eleven billion, five hundred forty-five million, three hundred forty-five thousand, three hundred thirty-two".