111211140430403 has 12 divisors (see below), whose sum is σ = 123678597568608. Its totient is φ = 99881939008800.

The previous prime is 111211140430301. The next prime is 111211140430457. The reversal of 111211140430403 is 304034041112111.

It is not a de Polignac number, because 111211140430403 - 2¹² = 111211140426307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111211140430483) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8892616523 + ... + 8892629028.

It is an arithmetic number, because the mean of its divisors is an integer number (10306549797384).

Almost surely, 2^{111211140430403} is an apocalyptic number.

111211140430403 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

111211140430403 is a deficient number, since it is larger than the sum of its proper divisors (12467457138205).

111211140430403 is a wasteful number, since it uses less digits than its factorization.

111211140430403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17785245614 (or 17785245601 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

Adding to 111211140430403 its reverse (304034041112111), we get a palindrome (415245181542514).

The spelling of 111211140430403 in words is "one hundred eleven trillion, two hundred eleven billion, one hundred forty million, four hundred thirty thousand, four hundred three".