111350040405 has 32 divisors (see below), whose sum is σ = 178493952000. Its totient is φ = 59275513152.

The previous prime is 111350040383. The next prime is 111350040463. The reversal of 111350040405 is 504040053111.

It is a happy number.

It is not a de Polignac number, because 111350040405 - 2⁹ = 111350039893 is a prime.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 21800862 + ... + 21805968.

It is an arithmetic number, because the mean of its divisors is an integer number (5577936000).

Almost surely, 2^111350040405 is an apocalyptic number.

111350040405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

111350040405 is a deficient number, since it is larger than the sum of its proper divisors (67143911595).

111350040405 is a wasteful number, since it uses less digits than its factorization.

111350040405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7553.

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 111350040405 its reverse (504040053111), we get a palindrome (615390093516).

The spelling of 111350040405 in words is "one hundred eleven billion, three hundred fifty million, forty thousand, four hundred five".