213113444014025 has 12 divisors (see below), whose sum is σ = 264261687431052. Its totient is φ = 170490099176640.

The previous prime is 213113444013979. The next prime is 213113444014061. The reversal of 213113444014025 is 520410444311312.

It can be written as a sum of positive squares in 6 ways, for example, as 49111279107136 + 164002164906889 = 7007944^2 + 12806333^2 .

It is not a de Polignac number, because 213113444014025 - 2⁶ = 213113444013961 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 9720554 + ... + 22819203.

It is an arithmetic number, because the mean of its divisors is an integer number (22021807285921).

Almost surely, 2^{213113444014025} is an apocalyptic number.

213113444014025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

213113444014025 is a deficient number, since it is larger than the sum of its proper divisors (51148243417027).

213113444014025 is a wasteful number, since it uses less digits than its factorization.

213113444014025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32801740 (or 32801735 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

Adding to 213113444014025 its reverse (520410444311312), we get a palindrome (733523888325337).

The spelling of 213113444014025 in words is "two hundred thirteen trillion, one hundred thirteen billion, four hundred forty-four million, fourteen thousand, twenty-five".