1113333145081 has 2 divisors, whose sum is σ = 1113333145082. Its totient is φ = 1113333145080.

The previous prime is 1113333145049. The next prime is 1113333145087. The reversal of 1113333145081 is 1805413333111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 689590733056 + 423742412025 = 830416^2 + 650955^2 .

It is a cyclic number.

It is not a de Polignac number, because 1113333145081 - 2⁵ = 1113333145049 is a prime.

It is a super-2 number, since 2×1113333145081² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1113333145087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556666572540 + 556666572541.

It is an arithmetic number, because the mean of its divisors is an integer number (556666572541).

Almost surely, 2^{1113333145081} is an apocalyptic number.

It is an amenable number.

1113333145081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113333145081 is an equidigital number, since it uses as much as digits as its factorization.

1113333145081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 34.

Adding to 1113333145081 its reverse (1805413333111), we get a palindrome (2918746478192).

The spelling of 1113333145081 in words is "one trillion, one hundred thirteen billion, three hundred thirty-three million, one hundred forty-five thousand, eighty-one".