245213110001 has 4 divisors (see below), whose sum is σ = 251193917604. Its totient is φ = 239232302400.

The previous prime is 245213109937. The next prime is 245213110019. The reversal of 245213110001 is 100011312542.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 100011312542 = 2 ⋅50005656271.

It can be written as a sum of positive squares in 2 ways, for example, as 137825820001 + 107387290000 = 371249^2 + 327700^2 .

It is a cyclic number.

It is not a de Polignac number, because 245213110001 - 2⁶ = 245213109937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245213110091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2990403740 + ... + 2990403821.

It is an arithmetic number, because the mean of its divisors is an integer number (62798479401).

Almost surely, 2^245213110001 is an apocalyptic number.

It is an amenable number.

245213110001 is a deficient number, since it is larger than the sum of its proper divisors (5980807603).

245213110001 is an equidigital number, since it uses as much as digits as its factorization.

245213110001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5980807602.

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 245213110001 its reverse (100011312542), we get a palindrome (345224422543).

The spelling of 245213110001 in words is "two hundred forty-five billion, two hundred thirteen million, one hundred ten thousand, one".