40105551110173 has 2 divisors, whose sum is σ = 40105551110174. Its totient is φ = 40105551110172.

The previous prime is 40105551110161. The next prime is 40105551110221. The reversal of 40105551110173 is 37101115550104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38023033703524 + 2082517406649 = 6166282^2 + 1443093^2 .

It is a cyclic number.

It is not a de Polignac number, because 40105551110173 - 2³⁷ = 39968112156701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40105551110873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20052775555086 + 20052775555087.

It is an arithmetic number, because the mean of its divisors is an integer number (20052775555087).

Almost surely, 2^{40105551110173} is an apocalyptic number.

It is an amenable number.

40105551110173 is a deficient number, since it is larger than the sum of its proper divisors (1).

40105551110173 is an equidigital number, since it uses as much as digits as its factorization.

40105551110173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10500, while the sum is 34.

Adding to 40105551110173 its reverse (37101115550104), we get a palindrome (77206666660277).

The spelling of 40105551110173 in words is "forty trillion, one hundred five billion, five hundred fifty-one million, one hundred ten thousand, one hundred seventy-three".