111432223533455 has 16 divisors (see below), whose sum is σ = 145875117691008. Its totient is φ = 81041502180000.

The previous prime is 111432223533451. The next prime is 111432223533457. The reversal of 111432223533455 is 554335322234111.

It is not a de Polignac number, because 111432223533455 - 2² = 111432223533451 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111432223533451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67474940 + ... + 69106670.

It is an arithmetic number, because the mean of its divisors is an integer number (9117194855688).

Almost surely, 2^{111432223533455} is an apocalyptic number.

111432223533455 is a deficient number, since it is larger than the sum of its proper divisors (34442894157553).

111432223533455 is a wasteful number, since it uses less digits than its factorization.

111432223533455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2873398.

The product of its digits is 1296000, while the sum is 44.

Adding to 111432223533455 its reverse (554335322234111), we get a palindrome (665767545767566).

The spelling of 111432223533455 in words is "one hundred eleven trillion, four hundred thirty-two billion, two hundred twenty-three million, five hundred thirty-three thousand, four hundred fifty-five".