12150551305 has 8 divisors (see below), whose sum is σ = 14855768712. Its totient is φ = 9537036288.

The previous prime is 12150551299. The next prime is 12150551317. The reversal of 12150551305 is 50315505121.

It can be written as a sum of positive squares in 4 ways, for example, as 137733696 + 12012817609 = 11736^2 + 109603^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12150551305 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22925304 + ... + 22925833.

It is an arithmetic number, because the mean of its divisors is an integer number (1856971089).

Almost surely, 2^12150551305 is an apocalyptic number.

It is an amenable number.

12150551305 is a deficient number, since it is larger than the sum of its proper divisors (2705217407).

12150551305 is an equidigital number, since it uses as much as digits as its factorization.

12150551305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45851195.

The product of its (nonzero) digits is 3750, while the sum is 28.

The spelling of 12150551305 in words is "twelve billion, one hundred fifty million, five hundred fifty-one thousand, three hundred five".