13065520824 has 24 divisors (see below), whose sum is σ = 35385785760. Its totient is φ = 4355173584.

The previous prime is 13065520823. The next prime is 13065520841. The reversal of 13065520824 is 42802556031.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13065520823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 90732712 + ... + 90732855.

It is an arithmetic number, because the mean of its divisors is an integer number (1474407740).

Almost surely, 2^13065520824 is an apocalyptic number.

It is an amenable number.

13065520824 is an abundant number, since it is smaller than the sum of its proper divisors (22320264936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13065520824 is a wasteful number, since it uses less digits than its factorization.

13065520824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181465579 (or 181465572 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 13065520824 in words is "thirteen billion, sixty-five million, five hundred twenty thousand, eight hundred twenty-four".