120361506005 has 16 divisors (see below), whose sum is σ = 155817511920. Its totient is φ = 88726107648.

The previous prime is 120361505987. The next prime is 120361506019. The reversal of 120361506005 is 500605163021.

It can be written as a sum of positive squares in 8 ways, for example, as 26746312849 + 93615193156 = 163543^2 + 305966^2 .

It is a cyclic number.

It is not a de Polignac number, because 120361506005 - 2²⁸ = 120093070549 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1590182 + ... + 1664151.

It is an arithmetic number, because the mean of its divisors is an integer number (9738594495).

Almost surely, 2^120361506005 is an apocalyptic number.

It is an amenable number.

120361506005 is a deficient number, since it is larger than the sum of its proper divisors (35456005915).

120361506005 is a wasteful number, since it uses less digits than its factorization.

120361506005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3254920.

The product of its (nonzero) digits is 5400, while the sum is 29.

Adding to 120361506005 its reverse (500605163021), we get a palindrome (620966669026).

The spelling of 120361506005 in words is "one hundred twenty billion, three hundred sixty-one million, five hundred six thousand, five".