7021565011 has 2 divisors, whose sum is σ = 7021565012. Its totient is φ = 7021565010.

The previous prime is 7021564997. The next prime is 7021565017. The reversal of 7021565011 is 1105651207.

It is a strong prime.

It is an emirp because it is prime and its reverse (1105651207) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7021565011 - 2¹³ = 7021556819 is a prime.

It is not a weakly prime, because it can be changed into another prime (7021565017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3510782505 + 3510782506.

It is an arithmetic number, because the mean of its divisors is an integer number (3510782506).

Almost surely, 2^7021565011 is an apocalyptic number.

7021565011 is a deficient number, since it is larger than the sum of its proper divisors (1).

7021565011 is an equidigital number, since it uses as much as digits as its factorization.

7021565011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2100, while the sum is 28.

The square root of 7021565011 is about 83794.7791392757. The cubic root of 7021565011 is about 1914.8935681088.

The spelling of 7021565011 in words is "seven billion, twenty-one million, five hundred sixty-five thousand, eleven".