11156664556351 has 2 divisors, whose sum is σ = 11156664556352. Its totient is φ = 11156664556350.

The previous prime is 11156664556217. The next prime is 11156664556397. The reversal of 11156664556351 is 15365546665111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11156664556351 - 2¹⁷ = 11156664425279 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11156664556292 and 11156664556301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11156664559351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5578332278175 + 5578332278176.

It is an arithmetic number, because the mean of its divisors is an integer number (5578332278176).

Almost surely, 2^{11156664556351} is an apocalyptic number.

11156664556351 is a deficient number, since it is larger than the sum of its proper divisors (1).

11156664556351 is an equidigital number, since it uses as much as digits as its factorization.

11156664556351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9720000, while the sum is 55.

The spelling of 11156664556351 in words is "eleven trillion, one hundred fifty-six billion, six hundred sixty-four million, five hundred fifty-six thousand, three hundred fifty-one".