40106121120077 has 2 divisors, whose sum is σ = 40106121120078. Its totient is φ = 40106121120076.

The previous prime is 40106121120067. The next prime is 40106121120103. The reversal of 40106121120077 is 77002112160104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39940011075721 + 166110044356 = 6319811^2 + 407566^2 .

It is a cyclic number.

It is not a de Polignac number, because 40106121120077 - 2¹⁴ = 40106121103693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40106121120017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20053060560038 + 20053060560039.

It is an arithmetic number, because the mean of its divisors is an integer number (20053060560039).

Almost surely, 2^{40106121120077} is an apocalyptic number.

It is an amenable number.

40106121120077 is a deficient number, since it is larger than the sum of its proper divisors (1).

40106121120077 is an equidigital number, since it uses as much as digits as its factorization.

40106121120077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4704, while the sum is 32.

The spelling of 40106121120077 in words is "forty trillion, one hundred six billion, one hundred twenty-one million, one hundred twenty thousand, seventy-seven".