112586812981 has 2 divisors, whose sum is σ = 112586812982. Its totient is φ = 112586812980.

The previous prime is 112586812979. The next prime is 112586812991. The reversal of 112586812981 is 189218685211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77389676100 + 35197136881 = 278190^2 + 187609^2 .

It is a cyclic number.

It is not a de Polignac number, because 112586812981 - 2¹ = 112586812979 is a prime.

It is a super-2 number, since 2×112586812981² (a number of 23 digits) contains 22 as substring.

Together with 112586812979, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112586812991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56293406490 + 56293406491.

It is an arithmetic number, because the mean of its divisors is an integer number (56293406491).

Almost surely, 2^112586812981 is an apocalyptic number.

It is an amenable number.

112586812981 is a deficient number, since it is larger than the sum of its proper divisors (1).

112586812981 is an equidigital number, since it uses as much as digits as its factorization.

112586812981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 552960, while the sum is 52.

The spelling of 112586812981 in words is "one hundred twelve billion, five hundred eighty-six million, eight hundred twelve thousand, nine hundred eighty-one".