461131111 has 24 divisors (see below), whose sum is σ = 561427200. Its totient is φ = 377237952.

The previous prime is 461131093. The next prime is 461131133. The reversal of 461131111 is 111131164.

It is not a de Polignac number, because 461131111 - 2⁹ = 461130599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461134111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 93690 + ... + 98488.

It is an arithmetic number, because the mean of its divisors is an integer number (23392800).

Almost surely, 2^461131111 is an apocalyptic number.

461131111 is a deficient number, since it is larger than the sum of its proper divisors (100296089).

461131111 is a wasteful number, since it uses less digits than its factorization.

461131111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4903 (or 4896 counting only the distinct ones).

The product of its digits is 72, while the sum is 19.

The square root of 461131111 is about 21473.9635605540. The cubic root of 461131111 is about 772.5764657955.

Adding to 461131111 its reverse (111131164), we get a palindrome (572262275).

The spelling of 461131111 in words is "four hundred sixty-one million, one hundred thirty-one thousand, one hundred eleven".