11245332320281 has 2 divisors, whose sum is σ = 11245332320282. Its totient is φ = 11245332320280.

The previous prime is 11245332320251. The next prime is 11245332320323. The reversal of 11245332320281 is 18202323354211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6908696833600 + 4336635486681 = 2628440^2 + 2082459^2 .

It is a cyclic number.

It is not a de Polignac number, because 11245332320281 - 2¹³ = 11245332312089 is a prime.

It is a super-2 number, since 2×11245332320281² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11245332320281.

It is not a weakly prime, because it can be changed into another prime (11245332320231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5622666160140 + 5622666160141.

It is an arithmetic number, because the mean of its divisors is an integer number (5622666160141).

Almost surely, 2^{11245332320281} is an apocalyptic number.

It is an amenable number.

11245332320281 is a deficient number, since it is larger than the sum of its proper divisors (1).

11245332320281 is an equidigital number, since it uses as much as digits as its factorization.

11245332320281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 37.

Adding to 11245332320281 its reverse (18202323354211), we get a palindrome (29447655674492).

The spelling of 11245332320281 in words is "eleven trillion, two hundred forty-five billion, three hundred thirty-two million, three hundred twenty thousand, two hundred eighty-one".