2113543532 has 12 divisors (see below), whose sum is σ = 3699607800. Its totient is φ = 1056512736.

The previous prime is 2113543529. The next prime is 2113543561. The reversal of 2113543532 is 2353453112.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2113543495 and 2113543504.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45782 + ... + 79517.

It is an arithmetic number, because the mean of its divisors is an integer number (308300650).

Almost surely, 2^2113543532 is an apocalyptic number.

It is an amenable number.

2113543532 is a deficient number, since it is larger than the sum of its proper divisors (1586064268).

2113543532 is a wasteful number, since it uses less digits than its factorization.

2113543532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129520 (or 129518 counting only the distinct ones).

The product of its digits is 10800, while the sum is 29.

The square root of 2113543532 is about 45973.2915071349. The cubic root of 2113543532 is about 1283.3262147166.

Adding to 2113543532 its reverse (2353453112), we get a palindrome (4466996644).

The spelling of 2113543532 in words is "two billion, one hundred thirteen million, five hundred forty-three thousand, five hundred thirty-two".