105015109 has 8 divisors (see below), whose sum is σ = 110751840. Its totient is φ = 99299376.

The previous prime is 105015107. The next prime is 105015121. The reversal of 105015109 is 901510501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 105015109 - 2¹ = 105015107 is a prime.

It is a super-2 number, since 2×105015109² = 22056346236563762, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 105015109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105015107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5622 + ... + 15544.

It is an arithmetic number, because the mean of its divisors is an integer number (13843980).

Almost surely, 2^105015109 is an apocalyptic number.

105015109 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

105015109 is a deficient number, since it is larger than the sum of its proper divisors (5736731).

105015109 is an equidigital number, since it uses as much as digits as its factorization.

105015109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10499.

The product of its (nonzero) digits is 225, while the sum is 22.

The square root of 105015109 is about 10247.6879831502. The cubic root of 105015109 is about 471.7920254030.

The spelling of 105015109 in words is "one hundred five million, fifteen thousand, one hundred nine".