111332432601 has 48 divisors (see below), whose sum is σ = 177597463680. Its totient is φ = 66787902720.

The previous prime is 111332432579. The next prime is 111332432611. The reversal of 111332432601 is 106234233111.

It is a happy number.

111332432601 is a `hidden beast` number, since 1 + 1 + 1 + 3 + 3 + 24 + 32 + 601 = 666.

It is not a de Polignac number, because 111332432601 - 2⁵ = 111332432569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111332432611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 664030 + ... + 814616.

It is an arithmetic number, because the mean of its divisors is an integer number (3699947160).

Almost surely, 2^111332432601 is an apocalyptic number.

It is an amenable number.

111332432601 is a deficient number, since it is larger than the sum of its proper divisors (66265031079).

111332432601 is a wasteful number, since it uses less digits than its factorization.

111332432601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150766 (or 150763 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 111332432601 its reverse (106234233111), we get a palindrome (217566665712).

The spelling of 111332432601 in words is "one hundred eleven billion, three hundred thirty-two million, four hundred thirty-two thousand, six hundred one".