1110438352081 has 2 divisors, whose sum is σ = 1110438352082. Its totient is φ = 1110438352080.

The previous prime is 1110438352069. The next prime is 1110438352087. The reversal of 1110438352081 is 1802538340111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 783472819600 + 326965532481 = 885140^2 + 571809^2 .

It is an emirp because it is prime and its reverse (1802538340111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1110438352081 - 2¹¹ = 1110438350033 is a prime.

It is a super-2 number, since 2×1110438352081² (a number of 25 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 1110438352081.

It is not a weakly prime, because it can be changed into another prime (1110438352087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555219176040 + 555219176041.

It is an arithmetic number, because the mean of its divisors is an integer number (555219176041).

Almost surely, 2^{1110438352081} is an apocalyptic number.

It is an amenable number.

1110438352081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1110438352081 is an equidigital number, since it uses as much as digits as its factorization.

1110438352081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 37.

The spelling of 1110438352081 in words is "one trillion, one hundred ten billion, four hundred thirty-eight million, three hundred fifty-two thousand, eighty-one".