4156503125 has 24 divisors (see below), whose sum is σ = 5322174984. Its totient is φ = 3244000000.

The previous prime is 4156503103. The next prime is 4156503149. The reversal of 4156503125 is 5213056514.

It can be written as a sum of positive squares in 12 ways, for example, as 4150709476 + 5793649 = 64426^2 + 2407^2 .

It is not a de Polignac number, because 4156503125 - 2²² = 4152308821 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4156503091 and 4156503100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 111905 + ... + 144345.

It is an arithmetic number, because the mean of its divisors is an integer number (221757291).

Almost surely, 2^4156503125 is an apocalyptic number.

It is an amenable number.

4156503125 is a deficient number, since it is larger than the sum of its proper divisors (1165671859).

4156503125 is an frugal number, since it uses more digits than its factorization.

4156503125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32507 (or 32487 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 4156503125 is about 64470.9479145452. The cubic root of 4156503125 is about 1607.8395368712.

Adding to 4156503125 its reverse (5213056514), we get a palindrome (9369559639).

The spelling of 4156503125 in words is "four billion, one hundred fifty-six million, five hundred three thousand, one hundred twenty-five".