245113240122001 has 4 divisors (see below), whose sum is σ = 245389579739712. Its totient is φ = 244836900504292.

The previous prime is 245113240121999. The next prime is 245113240122017. The reversal of 245113240122001 is 100221042311542.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 245113240122001 - 2¹ = 245113240121999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245113240122031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138169807525 + ... + 138169809298.

It is an arithmetic number, because the mean of its divisors is an integer number (61347394934928).

Almost surely, 2^{245113240122001} is an apocalyptic number.

It is an amenable number.

245113240122001 is a deficient number, since it is larger than the sum of its proper divisors (276339617711).

245113240122001 is an equidigital number, since it uses as much as digits as its factorization.

245113240122001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276339617710.

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 245113240122001 its reverse (100221042311542), we get a palindrome (345334282433543).

The spelling of 245113240122001 in words is "two hundred forty-five trillion, one hundred thirteen billion, two hundred forty million, one hundred twenty-two thousand, one".