1320117790826 has 16 divisors (see below), whose sum is σ = 1993406830848. Its totient is φ = 655649358000.

The previous prime is 1320117790793. The next prime is 1320117790879. The reversal of 1320117790826 is 6280977110231.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5456831 + ... + 5693613.

It is an arithmetic number, because the mean of its divisors is an integer number (124587926928).

Almost surely, 2^{1320117790826} is an apocalyptic number.

1320117790826 is a deficient number, since it is larger than the sum of its proper divisors (673289040022).

1320117790826 is a wasteful number, since it uses less digits than its factorization.

1320117790826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255397.

The product of its (nonzero) digits is 254016, while the sum is 47.

The spelling of 1320117790826 in words is "one trillion, three hundred twenty billion, one hundred seventeen million, seven hundred ninety thousand, eight hundred twenty-six".