12550539162 has 64 divisors (see below), whose sum is σ = 30018207744. Its totient is φ = 3422632320.

The previous prime is 12550539073. The next prime is 12550539173. The reversal of 12550539162 is 26193505521.

It is a self number, because there is not a number n which added to its sum of digits gives 12550539162.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29023 + ... + 161069.

It is an arithmetic number, because the mean of its divisors is an integer number (469034496).

Almost surely, 2^12550539162 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12550539162, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15009103872).

12550539162 is an abundant number, since it is smaller than the sum of its proper divisors (17467668582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12550539162 is a wasteful number, since it uses less digits than its factorization.

12550539162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132163.

The product of its (nonzero) digits is 81000, while the sum is 39.

The spelling of 12550539162 in words is "twelve billion, five hundred fifty million, five hundred thirty-nine thousand, one hundred sixty-two".