12514591888 has 60 divisors (see below), whose sum is σ = 25997939820. Its totient is φ = 5814949888.

The previous prime is 12514591819. The next prime is 12514591891. The reversal of 12514591888 is 88819541521.

It can be written as a sum of positive squares in 2 ways, for example, as 6029833104 + 6484758784 = 77652^2 + 80528^2 .

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, 17405193 + ... + 17405911.

It is an arithmetic number, because the mean of its divisors is an integer number (433298997).

Almost surely, 2^12514591888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12514591888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12998969910).

12514591888 is an abundant number, since it is smaller than the sum of its proper divisors (13483347932).

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

12514591888 is an frugal number, since it uses more digits than its factorization.

12514591888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1552 (or 827 counting only the distinct ones).

The product of its digits is 921600, while the sum is 52.

The spelling of 12514591888 in words is "twelve billion, five hundred fourteen million, five hundred ninety-one thousand, eight hundred eighty-eight".