10511020243 has 2 divisors, whose sum is σ = 10511020244.
Its totient is φ = 10511020242.
The previous prime is 10511020213. The next prime is 10511020249. The reversal of 10511020243 is 34202011501.
Adding to 10511020243 its reverse (34202011501), we get a palindrome (44713031744).
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 10511020243 - 221 = 10508923091 is a prime.
It is a super-2 number, since 2×105110202432 (a number of 21 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 10511020243.
It is not a weakly prime, because it can be changed into another prime (10511020249) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5255510121 + 5255510122.
It is an arithmetic number, because the mean of its divisors is an integer number (5255510122).
Almost surely, 210511020243 is an apocalyptic number.
10511020243 is a deficient number, since it is larger than the sum of its proper divisors (1).
10511020243 is an equidigital number, since it uses as much as digits as its factorization.
10511020243 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 240, while the sum is 19.
The spelling of 10511020243 in words is "ten billion, five hundred eleven million, twenty thousand, two hundred forty-three".