120013461656405 has 4 divisors (see below), whose sum is σ = 144016153987692. Its totient is φ = 96010769325120.

The previous prime is 120013461656383. The next prime is 120013461656447. The reversal of 120013461656405 is 504656164310021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 55103868547204 + 64909593109201 = 7423198^2 + 8056649^2 .

It is not a de Polignac number, because 120013461656405 - 2⁸ = 120013461656149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12001346165636 + ... + 12001346165645.

It is an arithmetic number, because the mean of its divisors is an integer number (36004038496923).

Almost surely, 2^{120013461656405} is an apocalyptic number.

It is an amenable number.

120013461656405 is a deficient number, since it is larger than the sum of its proper divisors (24002692331287).

120013461656405 is an equidigital number, since it uses as much as digits as its factorization.

120013461656405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24002692331286.

The product of its (nonzero) digits is 518400, while the sum is 44.

The spelling of 120013461656405 in words is "one hundred twenty trillion, thirteen billion, four hundred sixty-one million, six hundred fifty-six thousand, four hundred five".