11401412081 has 2 divisors, whose sum is σ = 11401412082. Its totient is φ = 11401412080.

The previous prime is 11401412051. The next prime is 11401412129. The reversal of 11401412081 is 18021410411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11381475856 + 19936225 = 106684^2 + 4465^2 .

It is an emirp because it is prime and its reverse (18021410411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11401412081 - 2¹⁰ = 11401411057 is a prime.

It is a super-2 number, since 2×11401412081² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11401412021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5700706040 + 5700706041.

It is an arithmetic number, because the mean of its divisors is an integer number (5700706041).

Almost surely, 2^11401412081 is an apocalyptic number.

It is an amenable number.

11401412081 is a deficient number, since it is larger than the sum of its proper divisors (1).

11401412081 is an equidigital number, since it uses as much as digits as its factorization.

11401412081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 256, while the sum is 23.

Adding to 11401412081 its reverse (18021410411), we get a palindrome (29422822492).

The spelling of 11401412081 in words is "eleven billion, four hundred one million, four hundred twelve thousand, eighty-one".