4011825004821 has 24 divisors (see below), whose sum is σ = 5955319039800. Its totient is φ = 2600584569216.

The previous prime is 4011825004819. The next prime is 4011825004841. The reversal of 4011825004821 is 1284005281104.

4011825004821 is a `hidden beast` number, since 4 + 0 + 11 + 82 + 500 + 48 + 21 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1296626303025 + 2715198701796 = 1138695^2 + 1647786^2 .

It is not a de Polignac number, because 4011825004821 - 2¹ = 4011825004819 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4011825004841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3372990 + ... + 4404623.

It is an arithmetic number, because the mean of its divisors is an integer number (248138293325).

Almost surely, 2^{4011825004821} is an apocalyptic number.

It is an amenable number.

4011825004821 is a deficient number, since it is larger than the sum of its proper divisors (1943494034979).

4011825004821 is a wasteful number, since it uses less digits than its factorization.

4011825004821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7779205 (or 7779202 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 36.

The spelling of 4011825004821 in words is "four trillion, eleven billion, eight hundred twenty-five million, four thousand, eight hundred twenty-one".