120356146565 has 16 divisors (see below), whose sum is σ = 146185216128. Its totient is φ = 95113306176.

The previous prime is 120356146549. The next prime is 120356146567. The reversal of 120356146565 is 565641653021.

120356146565 is digitally balanced in base 11, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 120356146565 - 2⁴ = 120356146549 is a prime.

It is a super-2 number, since 2×120356146565² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

120356146565 is strictly pandigital in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120356146567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5436659 + ... + 5458751.

It is an arithmetic number, because the mean of its divisors is an integer number (9136576008).

Almost surely, 2^120356146565 is an apocalyptic number.

It is an amenable number.

120356146565 is a deficient number, since it is larger than the sum of its proper divisors (25829069563).

120356146565 is a wasteful number, since it uses less digits than its factorization.

120356146565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35308.

The product of its (nonzero) digits is 648000, while the sum is 44.

Adding to 120356146565 its reverse (565641653021), we get a palindrome (685997799586).

The spelling of 120356146565 in words is "one hundred twenty billion, three hundred fifty-six million, one hundred forty-six thousand, five hundred sixty-five".