115553443012 has 24 divisors (see below), whose sum is σ = 231118147904. Its totient is φ = 49520490912.

The previous prime is 115553442959. The next prime is 115553443067. The reversal of 115553443012 is 210344355511.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 560563 + ... + 738469.

Almost surely, 2^115553443012 is an apocalyptic number.

It is an amenable number.

115553443012 is an abundant number, since it is smaller than the sum of its proper divisors (115564704892).

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

115553443012 is a wasteful number, since it uses less digits than its factorization.

115553443012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201115 (or 201113 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

Adding to 115553443012 its reverse (210344355511), we get a palindrome (325897798523).

The spelling of 115553443012 in words is "one hundred fifteen billion, five hundred fifty-three million, four hundred forty-three thousand, twelve".