11332002011261 has 2 divisors, whose sum is σ = 11332002011262. Its totient is φ = 11332002011260.

The previous prime is 11332002011243. The next prime is 11332002011327. The reversal of 11332002011261 is 16211020023311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8788965815161 + 2543036196100 = 2964619^2 + 1594690^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11332002011261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11332002014261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5666001005630 + 5666001005631.

It is an arithmetic number, because the mean of its divisors is an integer number (5666001005631).

Almost surely, 2^{11332002011261} is an apocalyptic number.

It is an amenable number.

11332002011261 is a deficient number, since it is larger than the sum of its proper divisors (1).

11332002011261 is an equidigital number, since it uses as much as digits as its factorization.

11332002011261 is an evil number, because the sum of its binary digits is even.

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

Adding to 11332002011261 its reverse (16211020023311), we get a palindrome (27543022034572).

The spelling of 11332002011261 in words is "eleven trillion, three hundred thirty-two billion, two million, eleven thousand, two hundred sixty-one".