1113420000181 has 2 divisors, whose sum is σ = 1113420000182. Its totient is φ = 1113420000180.

The previous prime is 1113420000167. The next prime is 1113420000197. The reversal of 1113420000181 is 1810000243111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1068465399556 + 44954600625 = 1033666^2 + 212025^2 .

It is a cyclic number.

It is not a de Polignac number, because 1113420000181 - 2⁵ = 1113420000149 is a prime.

It is a super-2 number, since 2×1113420000181² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1113420000131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556710000090 + 556710000091.

It is an arithmetic number, because the mean of its divisors is an integer number (556710000091).

Almost surely, 2^{1113420000181} is an apocalyptic number.

It is an amenable number.

1113420000181 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113420000181 is an equidigital number, since it uses as much as digits as its factorization.

1113420000181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 22.

Adding to 1113420000181 its reverse (1810000243111), we get a palindrome (2923420243292).

The spelling of 1113420000181 in words is "one trillion, one hundred thirteen billion, four hundred twenty million, one hundred eighty-one", and thus it is an aban number.