245514421211 has 4 divisors (see below), whose sum is σ = 245522049192. Its totient is φ = 245506793232.

The previous prime is 245514421199. The next prime is 245514421231. The reversal of 245514421211 is 112124415542.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112124415542 = 2 ⋅56062207771.

It is a cyclic number.

It is not a de Polignac number, because 245514421211 - 2¹⁸ = 245514159067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245514421231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3765506 + ... + 3830151.

It is an arithmetic number, because the mean of its divisors is an integer number (61380512298).

Almost surely, 2^245514421211 is an apocalyptic number.

245514421211 is a deficient number, since it is larger than the sum of its proper divisors (7627981).

245514421211 is an equidigital number, since it uses as much as digits as its factorization.

245514421211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7627980.

The product of its digits is 12800, while the sum is 32.

Adding to 245514421211 its reverse (112124415542), we get a palindrome (357638836753).

The spelling of 245514421211 in words is "two hundred forty-five billion, five hundred fourteen million, four hundred twenty-one thousand, two hundred eleven".