13805689155 has 16 divisors (see below), whose sum is σ = 22235391744. Its totient is φ = 7314271200.

The previous prime is 13805689133. The next prime is 13805689189. The reversal of 13805689155 is 55198650831.

It is a happy number.

It is not a de Polignac number, because 13805689155 - 2¹⁰ = 13805688131 is a prime.

It is a super-2 number, since 2×13805689155² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13805689098 and 13805689107.

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, 3045349 + ... + 3049878.

It is an arithmetic number, because the mean of its divisors is an integer number (1389711984).

Almost surely, 2^13805689155 is an apocalyptic number.

13805689155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13805689155 is a deficient number, since it is larger than the sum of its proper divisors (8429702589).

13805689155 is a wasteful number, since it uses less digits than its factorization.

13805689155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6095386.

The product of its (nonzero) digits is 1296000, while the sum is 51.

The spelling of 13805689155 in words is "thirteen billion, eight hundred five million, six hundred eighty-nine thousand, one hundred fifty-five".