11650234656421 has 2 divisors, whose sum is σ = 11650234656422. Its totient is φ = 11650234656420.

The previous prime is 11650234656353. The next prime is 11650234656449. The reversal of 11650234656421 is 12465643205611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10903930452100 + 746304204321 = 3302110^2 + 863889^2 .

It is a cyclic number.

It is not a de Polignac number, because 11650234656421 - 2⁹ = 11650234655909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11650234656491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5825117328210 + 5825117328211.

It is an arithmetic number, because the mean of its divisors is an integer number (5825117328211).

Almost surely, 2^{11650234656421} is an apocalyptic number.

It is an amenable number.

11650234656421 is a deficient number, since it is larger than the sum of its proper divisors (1).

11650234656421 is an equidigital number, since it uses as much as digits as its factorization.

11650234656421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1036800, while the sum is 46.

The spelling of 11650234656421 in words is "eleven trillion, six hundred fifty billion, two hundred thirty-four million, six hundred fifty-six thousand, four hundred twenty-one".