2115326346253 has 2 divisors, whose sum is σ = 2115326346254. Its totient is φ = 2115326346252.

The previous prime is 2115326346251. The next prime is 2115326346337. The reversal of 2115326346253 is 3526436235112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1854668107044 + 260658239209 = 1361862^2 + 510547^2 .

It is a cyclic number.

It is not a de Polignac number, because 2115326346253 - 2¹ = 2115326346251 is a prime.

Together with 2115326346251, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2115326346251) 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, 1057663173126 + 1057663173127.

It is an arithmetic number, because the mean of its divisors is an integer number (1057663173127).

Almost surely, 2^{2115326346253} is an apocalyptic number.

It is an amenable number.

2115326346253 is a deficient number, since it is larger than the sum of its proper divisors (1).

2115326346253 is an equidigital number, since it uses as much as digits as its factorization.

2115326346253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 777600, while the sum is 43.

The spelling of 2115326346253 in words is "two trillion, one hundred fifteen billion, three hundred twenty-six million, three hundred forty-six thousand, two hundred fifty-three".