1042166977141 has 4 divisors (see below), whose sum is σ = 1042218267552. Its totient is φ = 1042115686732.

The previous prime is 1042166977139. The next prime is 1042166977157. The reversal of 1042166977141 is 1417796612401.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1042166977141 - 2¹ = 1042166977139 is a prime.

It is a super-2 number, since 2×1042166977141² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042166977171) 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 in 3 ways as a sum of consecutive naturals, for example, 25614715 + ... + 25655368.

It is an arithmetic number, because the mean of its divisors is an integer number (260554566888).

Almost surely, 2^{1042166977141} is an apocalyptic number.

It is an amenable number.

1042166977141 is a deficient number, since it is larger than the sum of its proper divisors (51290411).

1042166977141 is an equidigital number, since it uses as much as digits as its factorization.

1042166977141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51290410.

The product of its (nonzero) digits is 508032, while the sum is 49.

The spelling of 1042166977141 in words is "one trillion, forty-two billion, one hundred sixty-six million, nine hundred seventy-seven thousand, one hundred forty-one".