4042112525 has 24 divisors (see below), whose sum is σ = 5789522304. Its totient is φ = 2766790400.

The previous prime is 4042112521. The next prime is 4042112567. The reversal of 4042112525 is 5252112404.

It is not a de Polignac number, because 4042112525 - 2² = 4042112521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4042112494 and 4042112503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4042112521) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 427637 + ... + 436986.

It is an arithmetic number, because the mean of its divisors is an integer number (241230096).

Almost surely, 2^4042112525 is an apocalyptic number.

It is an amenable number.

4042112525 is a deficient number, since it is larger than the sum of its proper divisors (1747409779).

4042112525 is a wasteful number, since it uses less digits than its factorization.

4042112525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864661 (or 864656 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 4042112525 is about 63577.6102492064. The cubic root of 4042112525 is about 1592.9524043940.

Adding to 4042112525 its reverse (5252112404), we get a palindrome (9294224929).

The spelling of 4042112525 in words is "four billion, forty-two million, one hundred twelve thousand, five hundred twenty-five".