111438328292 has 12 divisors (see below), whose sum is σ = 195022813356. Its totient is φ = 55717524480.

The previous prime is 111438328279. The next prime is 111438328297. The reversal of 111438328292 is 292823834111.

It can be written as a sum of positive squares in 2 ways, for example, as 103564250596 + 7874077696 = 321814^2 + 88736^2 .

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (111438328297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250073 + ... + 534240.

It is an arithmetic number, because the mean of its divisors is an integer number (16251901113).

Almost surely, 2^111438328292 is an apocalyptic number.

It is an amenable number.

111438328292 is a deficient number, since it is larger than the sum of its proper divisors (83584485064).

111438328292 is a wasteful number, since it uses less digits than its factorization.

111438328292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819838 (or 819836 counting only the distinct ones).

The product of its digits is 165888, while the sum is 44.

The spelling of 111438328292 in words is "one hundred eleven billion, four hundred thirty-eight million, three hundred twenty-eight thousand, two hundred ninety-two".