1078420208441 has 4 divisors (see below), whose sum is σ = 1135179166800. Its totient is φ = 1021661250084.

The previous prime is 1078420208357. The next prime is 1078420208447. The reversal of 1078420208441 is 1448020248701.

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 a de Polignac number, because none of the positive numbers 2^k-1078420208441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1078420208447) 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, 28379479151 + ... + 28379479188.

It is an arithmetic number, because the mean of its divisors is an integer number (283794791700).

Almost surely, 2^{1078420208441} is an apocalyptic number.

It is an amenable number.

1078420208441 is a deficient number, since it is larger than the sum of its proper divisors (56758958359).

1078420208441 is an equidigital number, since it uses as much as digits as its factorization.

1078420208441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56758958358.

The product of its (nonzero) digits is 114688, while the sum is 41.

The spelling of 1078420208441 in words is "one trillion, seventy-eight billion, four hundred twenty million, two hundred eight thousand, four hundred forty-one".