1320635755045 has 8 divisors (see below), whose sum is σ = 1596164078880. Its totient is φ = 1048907822160.

The previous prime is 1320635755037. The next prime is 1320635755099. The reversal of 1320635755045 is 5405575360231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1320635755045 - 2³ = 1320635755037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1320635754986 and 1320635755004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 950096971 + ... + 950098360.

It is an arithmetic number, because the mean of its divisors is an integer number (199520509860).

Almost surely, 2^{1320635755045} is an apocalyptic number.

It is an amenable number.

1320635755045 is a deficient number, since it is larger than the sum of its proper divisors (275528323835).

1320635755045 is a wasteful number, since it uses less digits than its factorization.

1320635755045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1900195475.

The product of its (nonzero) digits is 1890000, while the sum is 46.

The spelling of 1320635755045 in words is "one trillion, three hundred twenty billion, six hundred thirty-five million, seven hundred fifty-five thousand, forty-five".