113201661352 has 32 divisors (see below), whose sum is σ = 242026180200. Its totient is φ = 49173571584.

The previous prime is 113201661347. The next prime is 113201661367. The reversal of 113201661352 is 253166102311.

It can be written as a sum of positive squares in 4 ways, for example, as 112140595876 + 1061065476 = 334874^2 + 32574^2 .

It is a super-2 number, since 2×113201661352² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32012277 + ... + 32015812.

Almost surely, 2^113201661352 is an apocalyptic number.

It is an amenable number.

113201661352 is an abundant number, since it is smaller than the sum of its proper divisors (128824518848).

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

113201661352 is a wasteful number, since it uses less digits than its factorization.

113201661352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64028125 (or 64028121 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

Adding to 113201661352 its reverse (253166102311), we get a palindrome (366367763663).

The spelling of 113201661352 in words is "one hundred thirteen billion, two hundred one million, six hundred sixty-one thousand, three hundred fifty-two".