1078143126811 has 4 divisors (see below), whose sum is σ = 1082892656232. Its totient is φ = 1073393597392.

The previous prime is 1078143126787. The next prime is 1078143126857. The reversal of 1078143126811 is 1186213418701.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1078143126811 - 2⁹ = 1078143126299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1078143126611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2374764370 + ... + 2374764823.

It is an arithmetic number, because the mean of its divisors is an integer number (270723164058).

Almost surely, 2^{1078143126811} is an apocalyptic number.

1078143126811 is a deficient number, since it is larger than the sum of its proper divisors (4749529421).

1078143126811 is an equidigital number, since it uses as much as digits as its factorization.

1078143126811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4749529420.

The product of its (nonzero) digits is 64512, while the sum is 43.

The spelling of 1078143126811 in words is "one trillion, seventy-eight billion, one hundred forty-three million, one hundred twenty-six thousand, eight hundred eleven".