1079378404331 has 4 divisors (see below), whose sum is σ = 1081689707592. Its totient is φ = 1077067101072.

The previous prime is 1079378404309. The next prime is 1079378404339. The reversal of 1079378404331 is 1334048739701.

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 1079378404331 - 2¹⁰ = 1079378403307 is a prime.

It is a super-2 number, since 2×1079378404331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1079378404331.

It is not an unprimeable number, because it can be changed into a prime (1079378404339) 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 in 3 ways as a sum of consecutive naturals, for example, 1155650930 + ... + 1155651863.

It is an arithmetic number, because the mean of its divisors is an integer number (270422426898).

Almost surely, 2^{1079378404331} is an apocalyptic number.

1079378404331 is a deficient number, since it is larger than the sum of its proper divisors (2311303261).

1079378404331 is an equidigital number, since it uses as much as digits as its factorization.

1079378404331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2311303260.

The product of its (nonzero) digits is 1524096, while the sum is 50.

The spelling of 1079378404331 in words is "one trillion, seventy-nine billion, three hundred seventy-eight million, four hundred four thousand, three hundred thirty-one".