11012002513 has 2 divisors, whose sum is σ = 11012002514. Its totient is φ = 11012002512.

The previous prime is 11012002511. The next prime is 11012002531. The reversal of 11012002513 is 31520021011.

Together with next prime (11012002531) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10756386369 + 255616144 = 103713^2 + 15988^2 .

It is a cyclic number.

It is not a de Polignac number, because 11012002513 - 2¹ = 11012002511 is a prime.

Together with 11012002511, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11012002511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5506001256 + 5506001257.

It is an arithmetic number, because the mean of its divisors is an integer number (5506001257).

Almost surely, 2^11012002513 is an apocalyptic number.

It is an amenable number.

11012002513 is a deficient number, since it is larger than the sum of its proper divisors (1).

11012002513 is an equidigital number, since it uses as much as digits as its factorization.

11012002513 is an evil number, because the sum of its binary digits is even.

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

Adding to 11012002513 its reverse (31520021011), we get a palindrome (42532023524).

The spelling of 11012002513 in words is "eleven billion, twelve million, two thousand, five hundred thirteen".