121186660463611 has 2 divisors, whose sum is σ = 121186660463612. Its totient is φ = 121186660463610.

The previous prime is 121186660463591. The next prime is 121186660463629. The reversal of 121186660463611 is 116364066681121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121186660463611 - 2⁵ = 121186660463579 is a prime.

It is not a weakly prime, because it can be changed into another prime (121186660463111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60593330231805 + 60593330231806.

It is an arithmetic number, because the mean of its divisors is an integer number (60593330231806).

Almost surely, 2^{121186660463611} is an apocalyptic number.

121186660463611 is a deficient number, since it is larger than the sum of its proper divisors (1).

121186660463611 is an equidigital number, since it uses as much as digits as its factorization.

121186660463611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1492992, while the sum is 52.

The spelling of 121186660463611 in words is "one hundred twenty-one trillion, one hundred eighty-six billion, six hundred sixty million, four hundred sixty-three thousand, six hundred eleven".