11390817253 has 2 divisors, whose sum is σ = 11390817254. Its totient is φ = 11390817252.

The previous prime is 11390817247. The next prime is 11390817257. The reversal of 11390817253 is 35271809311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10571541124 + 819276129 = 102818^2 + 28623^2 .

It is an emirp because it is prime and its reverse (35271809311) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11390817253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11390817257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5695408626 + 5695408627.

It is an arithmetic number, because the mean of its divisors is an integer number (5695408627).

Almost surely, 2^11390817253 is an apocalyptic number.

It is an amenable number.

11390817253 is a deficient number, since it is larger than the sum of its proper divisors (1).

11390817253 is an equidigital number, since it uses as much as digits as its factorization.

11390817253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 40.

The spelling of 11390817253 in words is "eleven billion, three hundred ninety million, eight hundred seventeen thousand, two hundred fifty-three".