4125111320 has 64 divisors (see below), whose sum is σ = 10167897600. Its totient is φ = 1493726080.

The previous prime is 4125111313. The next prime is 4125111343. The reversal of 4125111320 is 231115214.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 4125111292 and 4125111301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85547 + ... + 124773.

It is an arithmetic number, because the mean of its divisors is an integer number (158873400).

Almost surely, 2^4125111320 is an apocalyptic number.

4125111320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4125111320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5083948800).

4125111320 is an abundant number, since it is smaller than the sum of its proper divisors (6042786280).

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

4125111320 is a wasteful number, since it uses less digits than its factorization.

4125111320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39488 (or 39484 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 4125111320 is about 64227.0295125035. The cubic root of 4125111320 is about 1603.7815916448.

Adding to 4125111320 its reverse (231115214), we get a palindrome (4356226534).

The spelling of 4125111320 in words is "four billion, one hundred twenty-five million, one hundred eleven thousand, three hundred twenty".