109515141205 has 12 divisors (see below), whose sum is σ = 134701679556. Its totient is φ = 85475225600.

The previous prime is 109515141179. The next prime is 109515141223. The reversal of 109515141205 is 502141515901.

It can be written as a sum of positive squares in 6 ways, for example, as 38150293041 + 71364848164 = 195321^2 + 267142^2 .

It is not a de Polignac number, because 109515141205 - 2⁷ = 109515141077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6506476 + ... + 6523285.

It is an arithmetic number, because the mean of its divisors is an integer number (11225139963).

Almost surely, 2^109515141205 is an apocalyptic number.

It is an amenable number.

109515141205 is a deficient number, since it is larger than the sum of its proper divisors (25186538351).

109515141205 is an equidigital number, since it uses as much as digits as its factorization.

109515141205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13029848 (or 13029807 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 34.

It can be divided in two parts, 1095151 and 41205, that added together give a square (1136356 = 1066²).

The spelling of 109515141205 in words is "one hundred nine billion, five hundred fifteen million, one hundred forty-one thousand, two hundred five".