1118499938453 has 2 divisors, whose sum is σ = 1118499938454. Its totient is φ = 1118499938452.

The previous prime is 1118499938429. The next prime is 1118499938539. The reversal of 1118499938453 is 3548399948111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 992848830724 + 125651107729 = 996418^2 + 354473^2 .

It is a cyclic number.

It is not a de Polignac number, because 1118499938453 - 2⁸ = 1118499938197 is a prime.

It is a super-2 number, since 2×1118499938453² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1118499938453.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1118499932453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 559249969226 + 559249969227.

It is an arithmetic number, because the mean of its divisors is an integer number (559249969227).

Almost surely, 2^{1118499938453} is an apocalyptic number.

It is an amenable number.

1118499938453 is a deficient number, since it is larger than the sum of its proper divisors (1).

1118499938453 is an equidigital number, since it uses as much as digits as its factorization.

1118499938453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33592320, while the sum is 65.

The spelling of 1118499938453 in words is "one trillion, one hundred eighteen billion, four hundred ninety-nine million, nine hundred thirty-eight thousand, four hundred fifty-three".