13365720552 has 48 divisors (see below), whose sum is σ = 35495487360. Its totient is φ = 4193165056.

The previous prime is 13365720541. The next prime is 13365720559. The reversal of 13365720552 is 25502756331.

13365720552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 13365720552.

It is not an unprimeable number, because it can be changed into a prime (13365720559) 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 11 ways as a sum of consecutive naturals, for example, 956568 + ... + 970439.

It is an arithmetic number, because the mean of its divisors is an integer number (739489320).

Almost surely, 2^13365720552 is an apocalyptic number.

13365720552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13365720552 is an abundant number, since it is smaller than the sum of its proper divisors (22129766808).

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

13365720552 is a wasteful number, since it uses less digits than its factorization.

13365720552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1927050 (or 1927029 counting only the distinct ones).

The product of its (nonzero) digits is 189000, while the sum is 39.

The spelling of 13365720552 in words is "thirteen billion, three hundred sixty-five million, seven hundred twenty thousand, five hundred fifty-two".