1042166977139 has 2 divisors, whose sum is σ = 1042166977140. Its totient is φ = 1042166977138.

The previous prime is 1042166977091. The next prime is 1042166977157. The reversal of 1042166977139 is 9317796612401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1042166977139 - 2¹⁶ = 1042166911603 is a prime.

It is a super-2 number, since 2×1042166977139² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1042166977039) 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, 521083488569 + 521083488570.

It is an arithmetic number, because the mean of its divisors is an integer number (521083488570).

Almost surely, 2^{1042166977139} is an apocalyptic number.

1042166977139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042166977139 is an equidigital number, since it uses as much as digits as its factorization.

1042166977139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3429216, while the sum is 56.

The spelling of 1042166977139 in words is "one trillion, forty-two billion, one hundred sixty-six million, nine hundred seventy-seven thousand, one hundred thirty-nine".