15555106001105 has 16 divisors (see below), whose sum is σ = 20523386824704. Its totient is φ = 11223727159680.

The previous prime is 15555106001033. The next prime is 15555106001107. The reversal of 15555106001105 is 50110060155551.

It is not a de Polignac number, because 15555106001105 - 2¹⁸ = 15555105738961 is a prime.

It is a super-2 number, since 2×15555106001105² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15555106001107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1113458012 + ... + 1113471981.

It is an arithmetic number, because the mean of its divisors is an integer number (1282711676544).

Almost surely, 2^{15555106001105} is an apocalyptic number.

It is an amenable number.

15555106001105 is a deficient number, since it is larger than the sum of its proper divisors (4968280823599).

15555106001105 is a wasteful number, since it uses less digits than its factorization.

15555106001105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2226930136.

The product of its (nonzero) digits is 18750, while the sum is 35.

Adding to 15555106001105 its reverse (50110060155551), we get a palindrome (65665166156656).

The spelling of 15555106001105 in words is "fifteen trillion, five hundred fifty-five billion, one hundred six million, one thousand, one hundred five".