10513505505 has 32 divisors (see below), whose sum is σ = 18476835840. Its totient is φ = 5081123520.

The previous prime is 10513505491. The next prime is 10513505539. The reversal of 10513505505 is 50550531501.

It is not a de Polignac number, because 10513505505 - 2⁵ = 10513505473 is a prime.

It is a super-2 number, since 2×10513505505² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 795391 + ... + 808500.

It is an arithmetic number, because the mean of its divisors is an integer number (577401120).

Almost surely, 2^10513505505 is an apocalyptic number.

10513505505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10513505505 is a deficient number, since it is larger than the sum of its proper divisors (7963330335).

10513505505 is a wasteful number, since it uses less digits than its factorization.

10513505505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1603941.

The product of its (nonzero) digits is 9375, while the sum is 30.

The spelling of 10513505505 in words is "ten billion, five hundred thirteen million, five hundred five thousand, five hundred five".