4004158021811 has 2 divisors, whose sum is σ = 4004158021812. Its totient is φ = 4004158021810.

The previous prime is 4004158021783. The next prime is 4004158021859. The reversal of 4004158021811 is 1181208514004.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4004158021811 - 2¹⁴ = 4004158005427 is a prime.

It is not a weakly prime, because it can be changed into another prime (4004158321811) 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 as a sum of consecutive naturals, namely, 2002079010905 + 2002079010906.

It is an arithmetic number, because the mean of its divisors is an integer number (2002079010906).

Almost surely, 2^{4004158021811} is an apocalyptic number.

4004158021811 is a deficient number, since it is larger than the sum of its proper divisors (1).

4004158021811 is an equidigital number, since it uses as much as digits as its factorization.

4004158021811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10240, while the sum is 35.

The spelling of 4004158021811 in words is "four trillion, four billion, one hundred fifty-eight million, twenty-one thousand, eight hundred eleven".