11602444261 has 2 divisors, whose sum is σ = 11602444262. Its totient is φ = 11602444260.

The previous prime is 11602444211. The next prime is 11602444331. The reversal of 11602444261 is 16244420611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11533471236 + 68973025 = 107394^2 + 8305^2 .

It is a cyclic number.

It is not a de Polignac number, because 11602444261 - 2¹¹ = 11602442213 is a prime.

It is a super-2 number, since 2×11602444261² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11602444211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5801222130 + 5801222131.

It is an arithmetic number, because the mean of its divisors is an integer number (5801222131).

Almost surely, 2^11602444261 is an apocalyptic number.

It is an amenable number.

11602444261 is a deficient number, since it is larger than the sum of its proper divisors (1).

11602444261 is an equidigital number, since it uses as much as digits as its factorization.

11602444261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 31.

Adding to 11602444261 its reverse (16244420611), we get a palindrome (27846864872).

The spelling of 11602444261 in words is "eleven billion, six hundred two million, four hundred forty-four thousand, two hundred sixty-one".