12345550135 has 4 divisors (see below), whose sum is σ = 14814660168. Its totient is φ = 9876440104.

The previous prime is 12345550103. The next prime is 12345550141. The reversal of 12345550135 is 53105554321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12345550135 - 2⁵ = 12345550103 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12345550135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1234555009 + ... + 1234555018.

It is an arithmetic number, because the mean of its divisors is an integer number (3703665042).

Almost surely, 2^12345550135 is an apocalyptic number.

12345550135 is a deficient number, since it is larger than the sum of its proper divisors (2469110033).

12345550135 is an equidigital number, since it uses as much as digits as its factorization.

12345550135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2469110032.

The product of its (nonzero) digits is 45000, while the sum is 34.

The spelling of 12345550135 in words is "twelve billion, three hundred forty-five million, five hundred fifty thousand, one hundred thirty-five".