120245105232505 has 32 divisors (see below), whose sum is σ = 166890307385088. Its totient is φ = 82198653388800.

The previous prime is 120245105232503. The next prime is 120245105232521. The reversal of 120245105232505 is 505232501542021.

It is not a de Polignac number, because 120245105232505 - 2¹ = 120245105232503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120245105232503) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83785437 + ... + 85208506.

It is an arithmetic number, because the mean of its divisors is an integer number (5215322105784).

Almost surely, 2^{120245105232505} is an apocalyptic number.

It is an amenable number.

120245105232505 is a deficient number, since it is larger than the sum of its proper divisors (46645202152583).

120245105232505 is a wasteful number, since it uses less digits than its factorization.

120245105232505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168994737.

The product of its (nonzero) digits is 120000, while the sum is 37.

Adding to 120245105232505 its reverse (505232501542021), we get a palindrome (625477606774526).

The spelling of 120245105232505 in words is "one hundred twenty trillion, two hundred forty-five billion, one hundred five million, two hundred thirty-two thousand, five hundred five".