121565066005 has 8 divisors (see below), whose sum is σ = 145905997824. Its totient is φ = 97233440400.

The previous prime is 121565066003. The next prime is 121565066027. The reversal of 121565066005 is 500660565121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121565066005 - 2¹ = 121565066003 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121565066003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2297781 + ... + 2350090.

It is an arithmetic number, because the mean of its divisors is an integer number (18238249728).

Almost surely, 2^121565066005 is an apocalyptic number.

It is an amenable number.

121565066005 is a deficient number, since it is larger than the sum of its proper divisors (24340931819).

121565066005 is an equidigital number, since it uses as much as digits as its factorization.

121565066005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4653107.

The product of its (nonzero) digits is 54000, while the sum is 37.

The spelling of 121565066005 in words is "one hundred twenty-one billion, five hundred sixty-five million, sixty-six thousand, five".