11651605622113 has 2 divisors, whose sum is σ = 11651605622114. Its totient is φ = 11651605622112.

The previous prime is 11651605622093. The next prime is 11651605622149. The reversal of 11651605622113 is 31122650615611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9007963760929 + 2643641861184 = 3001327^2 + 1625928^2 .

It is a cyclic number.

It is not a de Polignac number, because 11651605622113 - 2³³ = 11643015687521 is a prime.

It is not a weakly prime, because it can be changed into another prime (11651602622113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5825802811056 + 5825802811057.

It is an arithmetic number, because the mean of its divisors is an integer number (5825802811057).

Almost surely, 2^{11651605622113} is an apocalyptic number.

It is an amenable number.

11651605622113 is a deficient number, since it is larger than the sum of its proper divisors (1).

11651605622113 is an equidigital number, since it uses as much as digits as its factorization.

11651605622113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64800, while the sum is 40.

The spelling of 11651605622113 in words is "eleven trillion, six hundred fifty-one billion, six hundred five million, six hundred twenty-two thousand, one hundred thirteen".