11687140453069 has 2 divisors, whose sum is σ = 11687140453070. Its totient is φ = 11687140453068.

The previous prime is 11687140452919. The next prime is 11687140453073. The reversal of 11687140453069 is 96035404178611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11551929808969 + 135210644100 = 3398813^2 + 367710^2 .

It is a cyclic number.

It is not a de Polignac number, because 11687140453069 - 2¹⁹ = 11687139928781 is a prime.

It is a super-2 number, since 2×11687140453069² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11687140453969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5843570226534 + 5843570226535.

It is an arithmetic number, because the mean of its divisors is an integer number (5843570226535).

Almost surely, 2^{11687140453069} is an apocalyptic number.

It is an amenable number.

11687140453069 is a deficient number, since it is larger than the sum of its proper divisors (1).

11687140453069 is an equidigital number, since it uses as much as digits as its factorization.

11687140453069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4354560, while the sum is 55.

The spelling of 11687140453069 in words is "eleven trillion, six hundred eighty-seven billion, one hundred forty million, four hundred fifty-three thousand, sixty-nine".