15155605105 has 16 divisors (see below), whose sum is σ = 18634823424. Its totient is φ = 11825896320.

The previous prime is 15155605103. The next prime is 15155605109. The reversal of 15155605105 is 50150655151.

15155605105 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 15155605105 - 2¹ = 15155605103 is a prime.

It is a super-2 number, since 2×15155605105² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15155605103) 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 15 ways as a sum of consecutive naturals, for example, 1311784 + ... + 1323286.

It is an arithmetic number, because the mean of its divisors is an integer number (1164676464).

Almost surely, 2^15155605105 is an apocalyptic number.

It is an amenable number.

15155605105 is a deficient number, since it is larger than the sum of its proper divisors (3479218319).

15155605105 is a wasteful number, since it uses less digits than its factorization.

15155605105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17976.

The product of its (nonzero) digits is 18750, while the sum is 34.

The spelling of 15155605105 in words is "fifteen billion, one hundred fifty-five million, six hundred five thousand, one hundred five".