111431002222453 has 4 divisors (see below), whose sum is σ = 111460165011468. Its totient is φ = 111401839433440.

The previous prime is 111431002222391. The next prime is 111431002222499. The reversal of 111431002222453 is 354222200134111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 108294784364484 + 3136217857969 = 10406478^2 + 1770937^2 .

It is a cyclic number.

It is not a de Polignac number, because 111431002222453 - 2⁹ = 111431002221941 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 (111431002222753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14581388776 + ... + 14581396417.

It is an arithmetic number, because the mean of its divisors is an integer number (27865041252867).

Almost surely, 2^{111431002222453} is an apocalyptic number.

It is an amenable number.

111431002222453 is a deficient number, since it is larger than the sum of its proper divisors (29162789015).

111431002222453 is an equidigital number, since it uses as much as digits as its factorization.

111431002222453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29162789014.

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 111431002222453 its reverse (354222200134111), we get a palindrome (465653202356564).

The spelling of 111431002222453 in words is "one hundred eleven trillion, four hundred thirty-one billion, two million, two hundred twenty-two thousand, four hundred fifty-three".