11828678622181 has 2 divisors, whose sum is σ = 11828678622182. Its totient is φ = 11828678622180.

The previous prime is 11828678622157. The next prime is 11828678622287. The reversal of 11828678622181 is 18122687682811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10904254061281 + 924424560900 = 3302159^2 + 961470^2 .

It is a cyclic number.

It is not a de Polignac number, because 11828678622181 - 2⁵ = 11828678622149 is a prime.

It is a super-2 number, since 2×11828678622181² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11828678622881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5914339311090 + 5914339311091.

It is an arithmetic number, because the mean of its divisors is an integer number (5914339311091).

Almost surely, 2^{11828678622181} is an apocalyptic number.

It is an amenable number.

11828678622181 is a deficient number, since it is larger than the sum of its proper divisors (1).

11828678622181 is an equidigital number, since it uses as much as digits as its factorization.

11828678622181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8257536, while the sum is 61.

The spelling of 11828678622181 in words is "eleven trillion, eight hundred twenty-eight billion, six hundred seventy-eight million, six hundred twenty-two thousand, one hundred eighty-one".