11515331324323 has 2 divisors, whose sum is σ = 11515331324324. Its totient is φ = 11515331324322.

The previous prime is 11515331324317. The next prime is 11515331324339. The reversal of 11515331324323 is 32342313351511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11515331324323 - 2³⁷ = 11377892370851 is a prime.

It is a super-2 number, since 2×11515331324323² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11515331324363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5757665662161 + 5757665662162.

It is an arithmetic number, because the mean of its divisors is an integer number (5757665662162).

Almost surely, 2^{11515331324323} is an apocalyptic number.

11515331324323 is a deficient number, since it is larger than the sum of its proper divisors (1).

11515331324323 is an equidigital number, since it uses as much as digits as its factorization.

11515331324323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 97200, while the sum is 37.

Adding to 11515331324323 its reverse (32342313351511), we get a palindrome (43857644675834).

The spelling of 11515331324323 in words is "eleven trillion, five hundred fifteen billion, three hundred thirty-one million, three hundred twenty-four thousand, three hundred twenty-three".