4006838236511 has 12 divisors (see below), whose sum is σ = 4405024079400. Its totient is φ = 3641907432240.

The previous prime is 4006838236493. The next prime is 4006838236517. The reversal of 4006838236511 is 1156328386004.

It is a de Polignac number, because none of the positive numbers 2^k-4006838236511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4006838236517) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2399696 + ... + 3711093.

It is an arithmetic number, because the mean of its divisors is an integer number (367085339950).

Almost surely, 2^{4006838236511} is an apocalyptic number.

4006838236511 is a deficient number, since it is larger than the sum of its proper divisors (398185842889).

4006838236511 is a wasteful number, since it uses less digits than its factorization.

4006838236511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6116230 (or 6116219 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 47.

The spelling of 4006838236511 in words is "four trillion, six billion, eight hundred thirty-eight million, two hundred thirty-six thousand, five hundred eleven".