113665231453 has 2 divisors, whose sum is σ = 113665231454. Its totient is φ = 113665231452.

The previous prime is 113665231429. The next prime is 113665231487. The reversal of 113665231453 is 354132566311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111103555684 + 2561675769 = 333322^2 + 50613^2 .

It is a cyclic number.

It is not a de Polignac number, because 113665231453 - 2⁹ = 113665230941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113665234453) by changing a digit.

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 as a sum of consecutive naturals, namely, 56832615726 + 56832615727.

It is an arithmetic number, because the mean of its divisors is an integer number (56832615727).

Almost surely, 2^113665231453 is an apocalyptic number.

It is an amenable number.

113665231453 is a deficient number, since it is larger than the sum of its proper divisors (1).

113665231453 is an equidigital number, since it uses as much as digits as its factorization.

113665231453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 194400, while the sum is 40.

Adding to 113665231453 its reverse (354132566311), we get a palindrome (467797797764).

The spelling of 113665231453 in words is "one hundred thirteen billion, six hundred sixty-five million, two hundred thirty-one thousand, four hundred fifty-three".