4015125386181 has 96 divisors (see below), whose sum is σ = 7161777342720. Its totient is φ = 2110825930752.

The previous prime is 4015125386177. The next prime is 4015125386189. The reversal of 4015125386181 is 1816835215104.

4015125386181 is a `hidden beast` number, since 4 + 0 + 1 + 5 + 1 + 25 + 3 + 8 + 618 + 1 = 666.

It is not a de Polignac number, because 4015125386181 - 2² = 4015125386177 is a prime.

It is a super-2 number, since 2×4015125386181² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4015125386189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 311412571 + ... + 311425463.

It is an arithmetic number, because the mean of its divisors is an integer number (74601847320).

Almost surely, 2^{4015125386181} is an apocalyptic number.

It is an amenable number.

4015125386181 is a deficient number, since it is larger than the sum of its proper divisors (3146651956539).

4015125386181 is a wasteful number, since it uses less digits than its factorization.

4015125386181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14155 (or 14152 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 45.

The spelling of 4015125386181 in words is "four trillion, fifteen billion, one hundred twenty-five million, three hundred eighty-six thousand, one hundred eighty-one".