461011251211 has 16 divisors (see below), whose sum is σ = 533253611520. Its totient is φ = 390372523200.

The previous prime is 461011251203. The next prime is 461011251247. The reversal of 461011251211 is 112152110164.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 461011251211 - 2³ = 461011251203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (461011251611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 395620 + ... + 1038526.

It is an arithmetic number, because the mean of its divisors is an integer number (33328350720).

Almost surely, 2^461011251211 is an apocalyptic number.

461011251211 is a deficient number, since it is larger than the sum of its proper divisors (72242360309).

461011251211 is a wasteful number, since it uses less digits than its factorization.

461011251211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644154.

The product of its (nonzero) digits is 480, while the sum is 25.

Adding to 461011251211 its reverse (112152110164), we get a palindrome (573163361375).

The spelling of 461011251211 in words is "four hundred sixty-one billion, eleven million, two hundred fifty-one thousand, two hundred eleven".