4156423125 has 20 divisors (see below), whose sum is σ = 6925158240. Its totient is φ = 2216758000.

The previous prime is 4156423123. The next prime is 4156423153. The reversal of 4156423125 is 5213246514.

It is not a de Polignac number, because 4156423125 - 2¹ = 4156423123 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4156423123) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1106505 + ... + 1110254.

It is an arithmetic number, because the mean of its divisors is an integer number (346257912).

Almost surely, 2^4156423125 is an apocalyptic number.

It is an amenable number.

4156423125 is a deficient number, since it is larger than the sum of its proper divisors (2768735115).

4156423125 is an equidigital number, since it uses as much as digits as its factorization.

4156423125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2216782 (or 2216767 counting only the distinct ones).

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

The square root of 4156423125 is about 64470.3274770650. The cubic root of 4156423125 is about 1607.8292214703.

Adding to 4156423125 its reverse (5213246514), we get a palindrome (9369669639).

The spelling of 4156423125 in words is "four billion, one hundred fifty-six million, four hundred twenty-three thousand, one hundred twenty-five".