9400110011081 has 2 divisors, whose sum is σ = 9400110011082. Its totient is φ = 9400110011080.

The previous prime is 9400110011057. The next prime is 9400110011111. The reversal of 9400110011081 is 1801100110049.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9217083481225 + 183026529856 = 3035965^2 + 427816^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9400110011081 is a prime.

It is a super-3 number, since 3×9400110011081³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 9400110011081.

It is not a weakly prime, because it can be changed into another prime (9400110011881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4700055005540 + 4700055005541.

It is an arithmetic number, because the mean of its divisors is an integer number (4700055005541).

Almost surely, 2^{9400110011081} is an apocalyptic number.

It is an amenable number.

9400110011081 is a deficient number, since it is larger than the sum of its proper divisors (1).

9400110011081 is an equidigital number, since it uses as much as digits as its factorization.

9400110011081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 26.

The spelling of 9400110011081 in words is "nine trillion, four hundred billion, one hundred ten million, eleven thousand, eighty-one".