12355131614645 has 8 divisors (see below), whose sum is σ = 14826676669440. Its totient is φ = 9883759470480.

The previous prime is 12355131614569. The next prime is 12355131614671. The reversal of 12355131614645 is 54641613155321.

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

It is not a de Polignac number, because 12355131614645 - 2¹⁰ = 12355131613621 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12355131614645.

It is a congruent 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, 43070405 + ... + 43356314.

It is an arithmetic number, because the mean of its divisors is an integer number (1853334583680).

Almost surely, 2^{12355131614645} is an apocalyptic number.

It is an amenable number.

12355131614645 is a deficient number, since it is larger than the sum of its proper divisors (2471545054795).

12355131614645 is an equidigital number, since it uses as much as digits as its factorization.

12355131614645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86455315.

The product of its digits is 1296000, while the sum is 47.

Adding to 12355131614645 its reverse (54641613155321), we get a palindrome (66996744769966).

The spelling of 12355131614645 in words is "twelve trillion, three hundred fifty-five billion, one hundred thirty-one million, six hundred fourteen thousand, six hundred forty-five".