11626345616651 has 2 divisors, whose sum is σ = 11626345616652. Its totient is φ = 11626345616650.

The previous prime is 11626345616581. The next prime is 11626345616707. The reversal of 11626345616651 is 15661654362611.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (15661654362611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11626345616651 - 2¹⁴ = 11626345600267 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11626345616593 and 11626345616602.

It is not a weakly prime, because it can be changed into another prime (11626345616251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5813172808325 + 5813172808326.

It is an arithmetic number, because the mean of its divisors is an integer number (5813172808326).

Almost surely, 2^{11626345616651} is an apocalyptic number.

11626345616651 is a deficient number, since it is larger than the sum of its proper divisors (1).

11626345616651 is an equidigital number, since it uses as much as digits as its factorization.

11626345616651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4665600, while the sum is 53.

The spelling of 11626345616651 in words is "eleven trillion, six hundred twenty-six billion, three hundred forty-five million, six hundred sixteen thousand, six hundred fifty-one".