13365615045 has 16 divisors (see below), whose sum is σ = 21394446912. Its totient is φ = 7125173760.

The previous prime is 13365615019. The next prime is 13365615061. The reversal of 13365615045 is 54051656331.

13365615045 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 13365615045 - 2¹⁰ = 13365614021 is a prime.

It is a super-2 number, since 2×13365615045² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13365614994 and 13365615012.

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, 161911 + ... + 230100.

It is an arithmetic number, because the mean of its divisors is an integer number (1337152932).

Almost surely, 2^13365615045 is an apocalyptic number.

13365615045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13365615045 is a deficient number, since it is larger than the sum of its proper divisors (8028831867).

13365615045 is a wasteful number, since it uses less digits than its factorization.

13365615045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394292.

The product of its (nonzero) digits is 162000, while the sum is 39.

The spelling of 13365615045 in words is "thirteen billion, three hundred sixty-five million, six hundred fifteen thousand, forty-five".