12632281555 has 32 divisors (see below), whose sum is σ = 15913407744. Its totient is φ = 9616029696.

The previous prime is 12632281547. The next prime is 12632281561. The reversal of 12632281555 is 55518223621.

It is a cyclic number.

It is not a de Polignac number, because 12632281555 - 2³ = 12632281547 is a prime.

It is a Duffinian number.

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, 3302374 + ... + 3306196.

It is an arithmetic number, because the mean of its divisors is an integer number (497293992).

Almost surely, 2^12632281555 is an apocalyptic number.

12632281555 is a deficient number, since it is larger than the sum of its proper divisors (3281126189).

12632281555 is a wasteful number, since it uses less digits than its factorization.

12632281555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4255.

The product of its digits is 144000, while the sum is 40.

The spelling of 12632281555 in words is "twelve billion, six hundred thirty-two million, two hundred eighty-one thousand, five hundred fifty-five".