112542802649 has 2 divisors, whose sum is σ = 112542802650. Its totient is φ = 112542802648.

The previous prime is 112542802643. The next prime is 112542802703. The reversal of 112542802649 is 946208245211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83574762649 + 28968040000 = 289093^2 + 170200^2 .

It is an emirp because it is prime and its reverse (946208245211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 112542802649 - 2²⁸ = 112274367193 is a prime.

It is a super-2 number, since 2×112542802649² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (112542802643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56271401324 + 56271401325.

It is an arithmetic number, because the mean of its divisors is an integer number (56271401325).

Almost surely, 2^112542802649 is an apocalyptic number.

It is an amenable number.

112542802649 is a deficient number, since it is larger than the sum of its proper divisors (1).

112542802649 is an equidigital number, since it uses as much as digits as its factorization.

112542802649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 276480, while the sum is 44.

The spelling of 112542802649 in words is "one hundred twelve billion, five hundred forty-two million, eight hundred two thousand, six hundred forty-nine".