12005145551101 has 8 divisors (see below), whose sum is σ = 12538585369440. Its totient is φ = 11482704492048.

The previous prime is 12005145551059. The next prime is 12005145551159. The reversal of 12005145551101 is 10115554150021.

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

It is a cyclic number.

It is not a de Polignac number, because 12005145551101 - 2⁹ = 12005145550589 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 (12005148551101) 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, 2749687591 + ... + 2749691956.

It is an arithmetic number, because the mean of its divisors is an integer number (1567323171180).

Almost surely, 2^{12005145551101} is an apocalyptic number.

It is an amenable number.

12005145551101 is a deficient number, since it is larger than the sum of its proper divisors (533439818339).

12005145551101 is an equidigital number, since it uses as much as digits as its factorization.

12005145551101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5499379643.

The product of its (nonzero) digits is 5000, while the sum is 31.

The spelling of 12005145551101 in words is "twelve trillion, five billion, one hundred forty-five million, five hundred fifty-one thousand, one hundred one".