11850701761 has 2 divisors, whose sum is σ = 11850701762. Its totient is φ = 11850701760.

The previous prime is 11850701749. The next prime is 11850701833. The reversal of 11850701761 is 16710705811.

11850701761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11614157361 + 236544400 = 107769^2 + 15380^2 .

It is a cyclic number.

It is not a de Polignac number, because 11850701761 - 2⁹ = 11850701249 is a prime.

It is a super-2 number, since 2×11850701761² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11850701761.

It is not a weakly prime, because it can be changed into another prime (11850701741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5925350880 + 5925350881.

It is an arithmetic number, because the mean of its divisors is an integer number (5925350881).

Almost surely, 2^11850701761 is an apocalyptic number.

It is an amenable number.

11850701761 is a deficient number, since it is larger than the sum of its proper divisors (1).

11850701761 is an equidigital number, since it uses as much as digits as its factorization.

11850701761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11760, while the sum is 37.

The spelling of 11850701761 in words is "eleven billion, eight hundred fifty million, seven hundred one thousand, seven hundred sixty-one".