11321346439261 has 2 divisors, whose sum is σ = 11321346439262. Its totient is φ = 11321346439260.

The previous prime is 11321346439259. The next prime is 11321346439297. The reversal of 11321346439261 is 16293464312311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8375849539236 + 2945496900025 = 2894106^2 + 1716245^2 .

It is a cyclic number.

It is not a de Polignac number, because 11321346439261 - 2¹ = 11321346439259 is a prime.

It is a super-2 number, since 2×11321346439261² (a number of 27 digits) contains 22 as substring.

Together with 11321346439259, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11321346439201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5660673219630 + 5660673219631.

It is an arithmetic number, because the mean of its divisors is an integer number (5660673219631).

Almost surely, 2^{11321346439261} is an apocalyptic number.

It is an amenable number.

11321346439261 is a deficient number, since it is larger than the sum of its proper divisors (1).

11321346439261 is an equidigital number, since it uses as much as digits as its factorization.

11321346439261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 559872, while the sum is 46.

The spelling of 11321346439261 in words is "eleven trillion, three hundred twenty-one billion, three hundred forty-six million, four hundred thirty-nine thousand, two hundred sixty-one".