40105531713853 has 2 divisors, whose sum is σ = 40105531713854. Its totient is φ = 40105531713852.

The previous prime is 40105531713839. The next prime is 40105531713857. The reversal of 40105531713853 is 35831713550104.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36348997754169 + 3756533959684 = 6029013^2 + 1938178^2 .

It is a cyclic number.

It is not a de Polignac number, because 40105531713853 - 2⁹ = 40105531713341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40105531713857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20052765856926 + 20052765856927.

It is an arithmetic number, because the mean of its divisors is an integer number (20052765856927).

Almost surely, 2^{40105531713853} is an apocalyptic number.

It is an amenable number.

40105531713853 is a deficient number, since it is larger than the sum of its proper divisors (1).

40105531713853 is an equidigital number, since it uses as much as digits as its factorization.

40105531713853 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756000, while the sum is 46.

The spelling of 40105531713853 in words is "forty trillion, one hundred five billion, five hundred thirty-one million, seven hundred thirteen thousand, eight hundred fifty-three".