4231125520 has 80 divisors (see below), whose sum is σ = 10505041920. Its totient is φ = 1581350400.

The previous prime is 4231125497. The next prime is 4231125539. The reversal of 4231125520 is 255211324.

It is a tau number, because it is divible by the number of its divisors (80).

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, 42505 + ... + 101335.

It is an arithmetic number, because the mean of its divisors is an integer number (131313024).

Almost surely, 2^4231125520 is an apocalyptic number.

4231125520 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 4231125520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5252520960).

4231125520 is an abundant number, since it is smaller than the sum of its proper divisors (6273916400).

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

4231125520 is a wasteful number, since it uses less digits than its factorization.

4231125520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58904 (or 58898 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 4231125520 is about 65047.1023182432. The cubic root of 4231125520 is about 1617.4044602587.

Adding to 4231125520 its reverse (255211324), we get a palindrome (4486336844).

The spelling of 4231125520 in words is "four billion, two hundred thirty-one million, one hundred twenty-five thousand, five hundred twenty".