4120112323545 has 48 divisors (see below), whose sum is σ = 6891870569472. Its totient is φ = 2101667518720.

The previous prime is 4120112323507. The next prime is 4120112323549. The reversal of 4120112323545 is 5453232110214.

It is not a de Polignac number, because 4120112323545 - 2¹⁷ = 4120112192473 is a prime.

It is a super-2 number, since 2×4120112323545² (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4120112323549) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 153854197 + ... + 153880973.

It is an arithmetic number, because the mean of its divisors is an integer number (143580636864).

Almost surely, 2^{4120112323545} is an apocalyptic number.

It is an amenable number.

4120112323545 is a deficient number, since it is larger than the sum of its proper divisors (2771758245927).

4120112323545 is a wasteful number, since it uses less digits than its factorization.

4120112323545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46222 (or 46199 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 4120112323545 its reverse (5453232110214), we get a palindrome (9573344433759).

The spelling of 4120112323545 in words is "four trillion, one hundred twenty billion, one hundred twelve million, three hundred twenty-three thousand, five hundred forty-five".