111432215141 has 16 divisors (see below), whose sum is σ = 120438139584. Its totient is φ = 102488765184.

The previous prime is 111432215119. The next prime is 111432215203. The reversal of 111432215141 is 141512234111.

It is not a de Polignac number, because 111432215141 - 2¹⁸ = 111431952997 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111432215141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111432215641) 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 in 15 ways as a sum of consecutive naturals, for example, 6681485 + ... + 6698141.

It is an arithmetic number, because the mean of its divisors is an integer number (7527383724).

Almost surely, 2^111432215141 is an apocalyptic number.

It is an amenable number.

111432215141 is a deficient number, since it is larger than the sum of its proper divisors (9005924443).

111432215141 is a wasteful number, since it uses less digits than its factorization.

111432215141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18500.

The product of its digits is 960, while the sum is 26.

Adding to 111432215141 its reverse (141512234111), we get a palindrome (252944449252).

The spelling of 111432215141 in words is "one hundred eleven billion, four hundred thirty-two million, two hundred fifteen thousand, one hundred forty-one".