245504221113 has 32 divisors (see below), whose sum is σ = 346625136000. Its totient is φ = 154295640576.

The previous prime is 245504221097. The next prime is 245504221139. The reversal of 245504221113 is 311122405542.

It is not a de Polignac number, because 245504221113 - 2⁴ = 245504221097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (245504222113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12174363 + ... + 12194511.

It is an arithmetic number, because the mean of its divisors is an integer number (10832035500).

Almost surely, 2^245504221113 is an apocalyptic number.

It is an amenable number.

245504221113 is a deficient number, since it is larger than the sum of its proper divisors (101120914887).

245504221113 is a wasteful number, since it uses less digits than its factorization.

245504221113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23481.

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 245504221113 its reverse (311122405542), we get a palindrome (556626626655).

The spelling of 245504221113 in words is "two hundred forty-five billion, five hundred four million, two hundred twenty-one thousand, one hundred thirteen".