9091211245253 has 2 divisors, whose sum is σ = 9091211245254. Its totient is φ = 9091211245252.

The previous prime is 9091211245219. The next prime is 9091211245267. The reversal of 9091211245253 is 3525421121909.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7955096148484 + 1136115096769 = 2820478^2 + 1065887^2 .

It is an emirp because it is prime and its reverse (3525421121909) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9091211245253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9091211245213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4545605622626 + 4545605622627.

It is an arithmetic number, because the mean of its divisors is an integer number (4545605622627).

Almost surely, 2^{9091211245253} is an apocalyptic number.

It is an amenable number.

9091211245253 is a deficient number, since it is larger than the sum of its proper divisors (1).

9091211245253 is an equidigital number, since it uses as much as digits as its factorization.

9091211245253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 194400, while the sum is 44.

The spelling of 9091211245253 in words is "nine trillion, ninety-one billion, two hundred eleven million, two hundred forty-five thousand, two hundred fifty-three".