12615254576 has 60 divisors (see below), whose sum is σ = 25873234632. Its totient is φ = 5954976000.

The previous prime is 12615254569. The next prime is 12615254579. The reversal of 12615254576 is 67545251621.

It is not an unprimeable number, because it can be changed into a prime (12615254579) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 620411 + ... + 640421.

Almost surely, 2^12615254576 is an apocalyptic number.

12615254576 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12615254576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12936617316).

12615254576 is an abundant number, since it is smaller than the sum of its proper divisors (13257980056).

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

12615254576 is a wasteful number, since it uses less digits than its factorization.

12615254576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20122 (or 20085 counting only the distinct ones).

The product of its digits is 504000, while the sum is 44.

The spelling of 12615254576 in words is "twelve billion, six hundred fifteen million, two hundred fifty-four thousand, five hundred seventy-six".