1112651130581 has 2 divisors, whose sum is σ = 1112651130582. Its totient is φ = 1112651130580.

The previous prime is 1112651130509. The next prime is 1112651130589. The reversal of 1112651130581 is 1850311562111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 917323372900 + 195327757681 = 957770^2 + 441959^2 .

It is a cyclic number.

It is not a de Polignac number, because 1112651130581 - 2³⁴ = 1095471261397 is a prime.

It is a super-2 number, since 2×1112651130581² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1112651130589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556325565290 + 556325565291.

It is an arithmetic number, because the mean of its divisors is an integer number (556325565291).

Almost surely, 2^{1112651130581} is an apocalyptic number.

It is an amenable number.

1112651130581 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112651130581 is an equidigital number, since it uses as much as digits as its factorization.

1112651130581 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 35.

Adding to 1112651130581 its reverse (1850311562111), we get a palindrome (2962962692692).

The spelling of 1112651130581 in words is "one trillion, one hundred twelve billion, six hundred fifty-one million, one hundred thirty thousand, five hundred eighty-one".