12631253552 has 40 divisors (see below), whose sum is σ = 25296630912. Its totient is φ = 6103641600.

The previous prime is 12631253527. The next prime is 12631253563. The reversal of 12631253552 is 25535213621.

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, 358652 + ... + 392292.

Almost surely, 2^12631253552 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 12631253552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12648315456).

12631253552 is an abundant number, since it is smaller than the sum of its proper divisors (12665377360).

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

12631253552 is a wasteful number, since it uses less digits than its factorization.

12631253552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34437 (or 34431 counting only the distinct ones).

The product of its digits is 54000, while the sum is 35.

The spelling of 12631253552 in words is "twelve billion, six hundred thirty-one million, two hundred fifty-three thousand, five hundred fifty-two".