11928422461 has 2 divisors, whose sum is σ = 11928422462. Its totient is φ = 11928422460.

The previous prime is 11928422411. The next prime is 11928422497. The reversal of 11928422461 is 16422482911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8985902436 + 2942520025 = 94794^2 + 54245^2 .

It is a cyclic number.

It is not a de Polignac number, because 11928422461 - 2⁷ = 11928422333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11928422411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5964211230 + 5964211231.

It is an arithmetic number, because the mean of its divisors is an integer number (5964211231).

Almost surely, 2^11928422461 is an apocalyptic number.

It is an amenable number.

11928422461 is a deficient number, since it is larger than the sum of its proper divisors (1).

11928422461 is an equidigital number, since it uses as much as digits as its factorization.

11928422461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 40.

The spelling of 11928422461 in words is "eleven billion, nine hundred twenty-eight million, four hundred twenty-two thousand, four hundred sixty-one".