111432280852 has 6 divisors (see below), whose sum is σ = 195006491498. Its totient is φ = 55716140424.

The previous prime is 111432280837. The next prime is 111432280859. The reversal of 111432280852 is 258082234111.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 111332999556 + 99281296 = 333666^2 + 9964^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111432280859) by changing a digit.

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 as a sum of consecutive naturals, namely, 13929035103 + ... + 13929035110.

Almost surely, 2^111432280852 is an apocalyptic number.

It is an amenable number.

111432280852 is a deficient number, since it is larger than the sum of its proper divisors (83574210646).

111432280852 is a wasteful number, since it uses less digits than its factorization.

111432280852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27858070217 (or 27858070215 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 37.

The spelling of 111432280852 in words is "one hundred eleven billion, four hundred thirty-two million, two hundred eighty thousand, eight hundred fifty-two".