38111666503679 has 2 divisors, whose sum is σ = 38111666503680. Its totient is φ = 38111666503678.

The previous prime is 38111666503663. The next prime is 38111666503697. The reversal of 38111666503679 is 97630566611183.

Together with next prime (38111666503697) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38111666503679 - 2⁴ = 38111666503663 is a prime.

It is a super-4 number, since 4×38111666503679⁴ (a number of 55 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38111666500679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19055833251839 + 19055833251840.

It is an arithmetic number, because the mean of its divisors is an integer number (19055833251840).

Almost surely, 2^{38111666503679} is an apocalyptic number.

38111666503679 is a deficient number, since it is larger than the sum of its proper divisors (1).

38111666503679 is an equidigital number, since it uses as much as digits as its factorization.

38111666503679 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29393280, while the sum is 62.

The spelling of 38111666503679 in words is "thirty-eight trillion, one hundred eleven billion, six hundred sixty-six million, five hundred three thousand, six hundred seventy-nine".