4155250312252 has 96 divisors (see below), whose sum is σ = 8385849767232. Its totient is φ = 1784615141376.

The previous prime is 4155250312247. The next prime is 4155250312273. The reversal of 4155250312252 is 2522130525514.

It is a super-2 number, since 2×4155250312252² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27735048 + ... + 27884464.

It is an arithmetic number, because the mean of its divisors is an integer number (87352601742).

Almost surely, 2^{4155250312252} is an apocalyptic number.

It is an amenable number.

4155250312252 is an abundant number, since it is smaller than the sum of its proper divisors (4230599454980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4155250312252 is a wasteful number, since it uses less digits than its factorization.

4155250312252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149807 (or 149805 counting only the distinct ones).

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

Adding to 4155250312252 its reverse (2522130525514), we get a palindrome (6677380837766).

The spelling of 4155250312252 in words is "four trillion, one hundred fifty-five billion, two hundred fifty million, three hundred twelve thousand, two hundred fifty-two".