12553232105 has 8 divisors (see below), whose sum is σ = 15066727872. Its totient is φ = 10040686128.

The previous prime is 12553232093. The next prime is 12553232119. The reversal of 12553232105 is 50123235521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12553232105 - 2⁸ = 12553231849 is a prime.

It is a Duffinian number.

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, 208037 + ... + 261506.

It is an arithmetic number, because the mean of its divisors is an integer number (1883340984).

Almost surely, 2^12553232105 is an apocalyptic number.

It is an amenable number.

12553232105 is a deficient number, since it is larger than the sum of its proper divisors (2513495767).

12553232105 is an equidigital number, since it uses as much as digits as its factorization.

12553232105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474895.

The product of its (nonzero) digits is 9000, while the sum is 29.

Adding to 12553232105 its reverse (50123235521), we get a palindrome (62676467626).

The spelling of 12553232105 in words is "twelve billion, five hundred fifty-three million, two hundred thirty-two thousand, one hundred five".