13165454511 has 48 divisors (see below), whose sum is σ = 21604856832. Its totient is φ = 7653139200.

The previous prime is 13165454479. The next prime is 13165454531. The reversal of 13165454511 is 11545456131.

13165454511 is a `hidden beast` number, since 1 + 3 + 165 + 45 + 451 + 1 = 666.

13165454511 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13165454511 - 2⁵ = 13165454479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13165454531) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 327816 + ... + 365778.

It is an arithmetic number, because the mean of its divisors is an integer number (450101184).

Almost surely, 2^13165454511 is an apocalyptic number.

13165454511 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13165454511 is a deficient number, since it is larger than the sum of its proper divisors (8439402321).

13165454511 is a wasteful number, since it uses less digits than its factorization.

13165454511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38124 (or 38121 counting only the distinct ones).

The product of its digits is 36000, while the sum is 36.

The spelling of 13165454511 in words is "thirteen billion, one hundred sixty-five million, four hundred fifty-four thousand, five hundred eleven".