10513105103 has 2 divisors, whose sum is σ = 10513105104. Its totient is φ = 10513105102.

The previous prime is 10513105091. The next prime is 10513105123. The reversal of 10513105103 is 30150131501.

It is an a-pointer prime, because the next prime (10513105123) can be obtained adding 10513105103 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10513105103 - 2²⁴ = 10496327887 is a prime.

It is a super-2 number, since 2×10513105103² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10513105123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5256552551 + 5256552552.

It is an arithmetic number, because the mean of its divisors is an integer number (5256552552).

Almost surely, 2^10513105103 is an apocalyptic number.

10513105103 is a deficient number, since it is larger than the sum of its proper divisors (1).

10513105103 is an equidigital number, since it uses as much as digits as its factorization.

10513105103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 225, while the sum is 20.

Adding to 10513105103 its reverse (30150131501), we get a palindrome (40663236604).

The spelling of 10513105103 in words is "ten billion, five hundred thirteen million, one hundred five thousand, one hundred three".