11417945345 has 4 divisors (see below), whose sum is σ = 13701534420. Its totient is φ = 9134356272.

The previous prime is 11417945321. The next prime is 11417945377. The reversal of 11417945345 is 54354971411.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4224870001 + 7193075344 = 64999^2 + 84812^2 .

It is a cyclic number.

It is not a de Polignac number, because 11417945345 - 2¹⁸ = 11417683201 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11417945296 and 11417945305.

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, 1141794530 + ... + 1141794539.

It is an arithmetic number, because the mean of its divisors is an integer number (3425383605).

Almost surely, 2^11417945345 is an apocalyptic number.

It is an amenable number.

11417945345 is a deficient number, since it is larger than the sum of its proper divisors (2283589075).

11417945345 is an equidigital number, since it uses as much as digits as its factorization.

11417945345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2283589074.

The product of its digits is 302400, while the sum is 44.

The spelling of 11417945345 in words is "eleven billion, four hundred seventeen million, nine hundred forty-five thousand, three hundred forty-five".