11666735453 has 2 divisors, whose sum is σ = 11666735454. Its totient is φ = 11666735452.

The previous prime is 11666735449. The next prime is 11666735459. The reversal of 11666735453 is 35453766611.

11666735453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6113206969 + 5553528484 = 78187^2 + 74522^2 .

It is a cyclic number.

It is not a de Polignac number, because 11666735453 - 2² = 11666735449 is a prime.

It is a super-2 number, since 2×11666735453² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11666735398 and 11666735407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11666735459) 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, 5833367726 + 5833367727.

It is an arithmetic number, because the mean of its divisors is an integer number (5833367727).

Almost surely, 2^11666735453 is an apocalyptic number.

It is an amenable number.

11666735453 is a deficient number, since it is larger than the sum of its proper divisors (1).

11666735453 is an equidigital number, since it uses as much as digits as its factorization.

11666735453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1360800, while the sum is 47.

The spelling of 11666735453 in words is "eleven billion, six hundred sixty-six million, seven hundred thirty-five thousand, four hundred fifty-three".