11515343014229 has 2 divisors, whose sum is σ = 11515343014230. Its totient is φ = 11515343014228.

The previous prime is 11515343014193. The next prime is 11515343014261. The reversal of 11515343014229 is 92241034351511.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11514824222500 + 518791729 = 3393350^2 + 22777^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11515343014229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11515343014129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5757671507114 + 5757671507115.

It is an arithmetic number, because the mean of its divisors is an integer number (5757671507115).

Almost surely, 2^{11515343014229} is an apocalyptic number.

It is an amenable number.

11515343014229 is a deficient number, since it is larger than the sum of its proper divisors (1).

11515343014229 is an equidigital number, since it uses as much as digits as its factorization.

11515343014229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129600, while the sum is 41.

The spelling of 11515343014229 in words is "eleven trillion, five hundred fifteen billion, three hundred forty-three million, fourteen thousand, two hundred twenty-nine".