245151324211 has 4 divisors (see below), whose sum is σ = 245153280232. Its totient is φ = 245149368192.

The previous prime is 245151324191. The next prime is 245151324217. The reversal of 245151324211 is 112423151542.

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 245151324211 - 2¹³ = 245151316019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245151324217) 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, 776121 + ... + 1045306.

It is an arithmetic number, because the mean of its divisors is an integer number (61288320058).

Almost surely, 2^245151324211 is an apocalyptic number.

245151324211 is a deficient number, since it is larger than the sum of its proper divisors (1956021).

245151324211 is a wasteful number, since it uses less digits than its factorization.

245151324211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1956020.

The product of its digits is 9600, while the sum is 31.

Adding to 245151324211 its reverse (112423151542), we get a palindrome (357574475753).

The spelling of 245151324211 in words is "two hundred forty-five billion, one hundred fifty-one million, three hundred twenty-four thousand, two hundred eleven".