12609760161529 has 16 divisors (see below), whose sum is σ = 13364779861440. Its totient is φ = 11856220346880.

The previous prime is 12609760161503. The next prime is 12609760161547. The reversal of 12609760161529 is 92516106790621.

It is a cyclic number.

It is not a de Polignac number, because 12609760161529 - 2¹⁵ = 12609760128761 is a prime.

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 12609760161529.

It is not an unprimeable number, because it can be changed into a prime (12609760168529) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74616642 + ... + 74785444.

It is an arithmetic number, because the mean of its divisors is an integer number (835298741340).

Almost surely, 2^{12609760161529} is an apocalyptic number.

It is an amenable number.

12609760161529 is a deficient number, since it is larger than the sum of its proper divisors (755019699911).

12609760161529 is a wasteful number, since it uses less digits than its factorization.

12609760161529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173160.

The product of its (nonzero) digits is 2449440, while the sum is 55.

The spelling of 12609760161529 in words is "twelve trillion, six hundred nine billion, seven hundred sixty million, one hundred sixty-one thousand, five hundred twenty-nine".