20126330057711 has 2 divisors, whose sum is σ = 20126330057712. Its totient is φ = 20126330057710.

The previous prime is 20126330057693. The next prime is 20126330057719. The reversal of 20126330057711 is 11775003362102.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20126330057711 - 2¹⁴ = 20126330041327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20126330057719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10063165028855 + 10063165028856.

It is an arithmetic number, because the mean of its divisors is an integer number (10063165028856).

Almost surely, 2^{20126330057711} is an apocalyptic number.

20126330057711 is a deficient number, since it is larger than the sum of its proper divisors (1).

20126330057711 is an equidigital number, since it uses as much as digits as its factorization.

20126330057711 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52920, while the sum is 38.

The spelling of 20126330057711 in words is "twenty trillion, one hundred twenty-six billion, three hundred thirty million, fifty-seven thousand, seven hundred eleven".