12355417485 has 64 divisors (see below), whose sum is σ = 22180320000. Its totient is φ = 6525308160.

The previous prime is 12355417423. The next prime is 12355417493. The reversal of 12355417485 is 58471455321.

12355417485 is a `hidden beast` number, since 1 + 2 + 3 + 554 + 17 + 4 + 85 = 666.

It is not a de Polignac number, because 12355417485 - 2⁶ = 12355417421 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 12355417485.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8467686 + ... + 8469144.

It is an arithmetic number, because the mean of its divisors is an integer number (346567500).

Almost surely, 2^12355417485 is an apocalyptic number.

12355417485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12355417485 is a deficient number, since it is larger than the sum of its proper divisors (9824902515).

12355417485 is a wasteful number, since it uses less digits than its factorization.

12355417485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2043 (or 2037 counting only the distinct ones).

The product of its digits is 672000, while the sum is 45.

The spelling of 12355417485 in words is "twelve billion, three hundred fifty-five million, four hundred seventeen thousand, four hundred eighty-five".