111330640453 has 2 divisors, whose sum is σ = 111330640454. Its totient is φ = 111330640452.

The previous prime is 111330640441. The next prime is 111330640501. The reversal of 111330640453 is 354046033111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105065443044 + 6265197409 = 324138^2 + 79153^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111330640453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111330640153) 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 as a sum of consecutive naturals, namely, 55665320226 + 55665320227.

It is an arithmetic number, because the mean of its divisors is an integer number (55665320227).

Almost surely, 2^111330640453 is an apocalyptic number.

It is an amenable number.

111330640453 is a deficient number, since it is larger than the sum of its proper divisors (1).

111330640453 is an equidigital number, since it uses as much as digits as its factorization.

111330640453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 31.

Adding to 111330640453 its reverse (354046033111), we get a palindrome (465376673564).

The spelling of 111330640453 in words is "one hundred eleven billion, three hundred thirty million, six hundred forty thousand, four hundred fifty-three".