4128787915004 has 12 divisors (see below), whose sum is σ = 7226142134904. Its totient is φ = 2064175876464.

The previous prime is 4128787915003. The next prime is 4128787915009. The reversal of 4128787915004 is 4005197878214.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4128787915003) 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, 54477659 + ... + 54553394.

It is an arithmetic number, because the mean of its divisors is an integer number (602178511242).

Almost surely, 2^{4128787915004} is an apocalyptic number.

It is an amenable number.

4128787915004 is a deficient number, since it is larger than the sum of its proper divisors (3097354219900).

4128787915004 is a wasteful number, since it uses less digits than its factorization.

4128787915004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109040524 (or 109040522 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 56.

The spelling of 4128787915004 in words is "four trillion, one hundred twenty-eight billion, seven hundred eighty-seven million, nine hundred fifteen thousand, four".