4001111087 has 2 divisors, whose sum is σ = 4001111088. Its totient is φ = 4001111086.

The previous prime is 4001111057. The next prime is 4001111113. The reversal of 4001111087 is 7801111004.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4001111087 - 2¹⁰ = 4001110063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4001111047) 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, 2000555543 + 2000555544.

It is an arithmetic number, because the mean of its divisors is an integer number (2000555544).

Almost surely, 2^4001111087 is an apocalyptic number.

4001111087 is a deficient number, since it is larger than the sum of its proper divisors (1).

4001111087 is an equidigital number, since it uses as much as digits as its factorization.

4001111087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 23.

The square root of 4001111087 is about 63254.3365074680. The cubic root of 4001111087 is about 1587.5480167509.

The spelling of 4001111087 in words is "four billion, one million, one hundred eleven thousand, eighty-seven".