4261133111 has 4 divisors (see below), whose sum is σ = 4446399792. Its totient is φ = 4075866432.

The previous prime is 4261133087. The next prime is 4261133119. The reversal of 4261133111 is 1113311624.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 4261133111 - 2³⁰ = 3187391287 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 185266657 = 4261133111 / (4 + 2 + 6 + 1 + 1 + 3 + 3 + 1 + 1 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4261133119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92633306 + ... + 92633351.

It is an arithmetic number, because the mean of its divisors is an integer number (1111599948).

Almost surely, 2^4261133111 is an apocalyptic number.

4261133111 is a deficient number, since it is larger than the sum of its proper divisors (185266681).

4261133111 is a wasteful number, since it uses less digits than its factorization.

4261133111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185266680.

The product of its digits is 432, while the sum is 23.

The square root of 4261133111 is about 65277.3552696492. The cubic root of 4261133111 is about 1621.2190579093.

Adding to 4261133111 its reverse (1113311624), we get a palindrome (5374444735).

The spelling of 4261133111 in words is "four billion, two hundred sixty-one million, one hundred thirty-three thousand, one hundred eleven".