13511530605 has 16 divisors (see below), whose sum is σ = 21783478464. Its totient is φ = 7151139840.

The previous prime is 13511530577. The next prime is 13511530633. The reversal of 13511530605 is 50603511531.

13511530605 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13511530577) and next prime (13511530633).

It is not a de Polignac number, because 13511530605 - 2¹³ = 13511522413 is a prime.

It is a super-2 number, since 2×13511530605² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3436084 + ... + 3440013.

It is an arithmetic number, because the mean of its divisors is an integer number (1361467404).

Almost surely, 2^13511530605 is an apocalyptic number.

13511530605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13511530605 is a deficient number, since it is larger than the sum of its proper divisors (8271947859).

13511530605 is a wasteful number, since it uses less digits than its factorization.

13511530605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6876236.

The product of its (nonzero) digits is 6750, while the sum is 30.

The spelling of 13511530605 in words is "thirteen billion, five hundred eleven million, five hundred thirty thousand, six hundred five".