4005125116 has 12 divisors (see below), whose sum is σ = 7158096288. Its totient is φ = 1959954752.

The previous prime is 4005125101. The next prime is 4005125119. The reversal of 4005125116 is 6115215004.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4005125119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10651741 + ... + 10652116.

It is an arithmetic number, because the mean of its divisors is an integer number (596508024).

Almost surely, 2^4005125116 is an apocalyptic number.

It is an amenable number.

4005125116 is a deficient number, since it is larger than the sum of its proper divisors (3152971172).

4005125116 is a wasteful number, since it uses less digits than its factorization.

4005125116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21303908 (or 21303906 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 4005125116 is about 63286.0578326696. The cubic root of 4005125116 is about 1588.0787304963.

The spelling of 4005125116 in words is "four billion, five million, one hundred twenty-five thousand, one hundred sixteen".