11622410381 has 2 divisors, whose sum is σ = 11622410382. Its totient is φ = 11622410380.

The previous prime is 11622410351. The next prime is 11622410441. The reversal of 11622410381 is 18301422611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9315145225 + 2307265156 = 96515^2 + 48034^2 .

It is a cyclic number.

It is not a de Polignac number, because 11622410381 - 2¹⁴ = 11622393997 is a prime.

It is a super-3 number, since 3×11622410381³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11622410351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5811205190 + 5811205191.

It is an arithmetic number, because the mean of its divisors is an integer number (5811205191).

Almost surely, 2^11622410381 is an apocalyptic number.

It is an amenable number.

11622410381 is a deficient number, since it is larger than the sum of its proper divisors (1).

11622410381 is an equidigital number, since it uses as much as digits as its factorization.

11622410381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 29.

Adding to 11622410381 its reverse (18301422611), we get a palindrome (29923832992).

The spelling of 11622410381 in words is "eleven billion, six hundred twenty-two million, four hundred ten thousand, three hundred eighty-one".