4128145615 has 32 divisors (see below), whose sum is σ = 5730600960. Its totient is φ = 2821440000.

The previous prime is 4128145613. The next prime is 4128145631. The reversal of 4128145615 is 5165418214.

4128145615 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4128145615 - 2¹ = 4128145613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4128145613) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 699246 + ... + 705124.

It is an arithmetic number, because the mean of its divisors is an integer number (179081280).

Almost surely, 2^4128145615 is an apocalyptic number.

4128145615 is a deficient number, since it is larger than the sum of its proper divisors (1602455345).

4128145615 is a wasteful number, since it uses less digits than its factorization.

4128145615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6663.

The product of its digits is 38400, while the sum is 37.

The square root of 4128145615 is about 64250.6468060828. The cubic root of 4128145615 is about 1604.1747247750.

The spelling of 4128145615 in words is "four billion, one hundred twenty-eight million, one hundred forty-five thousand, six hundred fifteen".