13865755605 has 16 divisors (see below), whose sum is σ = 23891763840. Its totient is φ = 6826218048.

The previous prime is 13865755567. The next prime is 13865755663. The reversal of 13865755605 is 50655756831.

It is not a de Polignac number, because 13865755605 - 2¹⁵ = 13865722837 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35553025 + ... + 35553414.

It is an arithmetic number, because the mean of its divisors is an integer number (1493235240).

Almost surely, 2^13865755605 is an apocalyptic number.

13865755605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13865755605 is a deficient number, since it is larger than the sum of its proper divisors (10026008235).

13865755605 is a wasteful number, since it uses less digits than its factorization.

13865755605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71106460.

The product of its (nonzero) digits is 3780000, while the sum is 51.

The spelling of 13865755605 in words is "thirteen billion, eight hundred sixty-five million, seven hundred fifty-five thousand, six hundred five".