2133056261 has 8 divisors (see below), whose sum is σ = 2566082880. Its totient is φ = 1732105728.

The previous prime is 2133056231. The next prime is 2133056267. The reversal of 2133056261 is 1626503312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2133056261 - 2¹⁰ = 2133055237 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 (2133056267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8018876 + ... + 8019141.

It is an arithmetic number, because the mean of its divisors is an integer number (320760360).

Almost surely, 2^2133056261 is an apocalyptic number.

It is an amenable number.

2133056261 is a deficient number, since it is larger than the sum of its proper divisors (433026619).

2133056261 is a wasteful number, since it uses less digits than its factorization.

2133056261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16038043.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 2133056261 is about 46185.0220417832. The cubic root of 2133056261 is about 1287.2634457286.

Adding to 2133056261 its reverse (1626503312), we get a palindrome (3759559573).

The spelling of 2133056261 in words is "two billion, one hundred thirty-three million, fifty-six thousand, two hundred sixty-one".