11021002513 has 2 divisors, whose sum is σ = 11021002514. Its totient is φ = 11021002512.

The previous prime is 11021002511. The next prime is 11021002523. The reversal of 11021002513 is 31520012011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5664519169 + 5356483344 = 75263^2 + 73188^2 .

It is a cyclic number.

It is not a de Polignac number, because 11021002513 - 2¹ = 11021002511 is a prime.

Together with 11021002511, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11021002511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5510501256 + 5510501257.

It is an arithmetic number, because the mean of its divisors is an integer number (5510501257).

Almost surely, 2^11021002513 is an apocalyptic number.

It is an amenable number.

11021002513 is a deficient number, since it is larger than the sum of its proper divisors (1).

11021002513 is an equidigital number, since it uses as much as digits as its factorization.

11021002513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60, while the sum is 16.

Adding to 11021002513 its reverse (31520012011), we get a palindrome (42541014524).

The spelling of 11021002513 in words is "eleven billion, twenty-one million, two thousand, five hundred thirteen".