11013316381 has 2 divisors, whose sum is σ = 11013316382. Its totient is φ = 11013316380.

The previous prime is 11013316357. The next prime is 11013316403. The reversal of 11013316381 is 18361331011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9228676356 + 1784640025 = 96066^2 + 42245^2 .

It is an emirp because it is prime and its reverse (18361331011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11013316381 - 2⁷ = 11013316253 is a prime.

It is a super-2 number, since 2×11013316381² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11013316781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5506658190 + 5506658191.

It is an arithmetic number, because the mean of its divisors is an integer number (5506658191).

Almost surely, 2^11013316381 is an apocalyptic number.

It is an amenable number.

11013316381 is a deficient number, since it is larger than the sum of its proper divisors (1).

11013316381 is an equidigital number, since it uses as much as digits as its factorization.

11013316381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 28.

Adding to 11013316381 its reverse (18361331011), we get a palindrome (29374647392).

The spelling of 11013316381 in words is "eleven billion, thirteen million, three hundred sixteen thousand, three hundred eighty-one".