40556606113 has 2 divisors, whose sum is σ = 40556606114. Its totient is φ = 40556606112.

The previous prime is 40556606011. The next prime is 40556606137. The reversal of 40556606113 is 31160665504.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38219077009 + 2337529104 = 195497^2 + 48348^2 .

It is a cyclic number.

It is not a de Polignac number, because 40556606113 - 2⁹ = 40556605601 is a prime.

It is not a weakly prime, because it can be changed into another prime (40556606173) 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, 20278303056 + 20278303057.

It is an arithmetic number, because the mean of its divisors is an integer number (20278303057).

Almost surely, 2^40556606113 is an apocalyptic number.

It is an amenable number.

40556606113 is a deficient number, since it is larger than the sum of its proper divisors (1).

40556606113 is an equidigital number, since it uses as much as digits as its factorization.

40556606113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 40556606113 in words is "forty billion, five hundred fifty-six million, six hundred six thousand, one hundred thirteen".