11025260261 has 2 divisors, whose sum is σ = 11025260262. Its totient is φ = 11025260260.

The previous prime is 11025260251. The next prime is 11025260273. The reversal of 11025260261 is 16206252011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7204784161 + 3820476100 = 84881^2 + 61810^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11025260261 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11025260261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11025260251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5512630130 + 5512630131.

It is an arithmetic number, because the mean of its divisors is an integer number (5512630131).

Almost surely, 2^11025260261 is an apocalyptic number.

It is an amenable number.

11025260261 is a deficient number, since it is larger than the sum of its proper divisors (1).

11025260261 is an equidigital number, since it uses as much as digits as its factorization.

11025260261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 26.

The spelling of 11025260261 in words is "eleven billion, twenty-five million, two hundred sixty thousand, two hundred sixty-one".