1320425351051 has 8 divisors (see below), whose sum is σ = 1321125159744. Its totient is φ = 1319725718080.

The previous prime is 1320425350949. The next prime is 1320425351093. The reversal of 1320425351051 is 1501535240231.

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

It is a cyclic number.

It is not a de Polignac number, because 1320425351051 - 2¹⁸ = 1320425088907 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1320425350999 and 1320425351017.

It is not an unprimeable number, because it can be changed into a prime (1320425051051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16623791 + ... + 16703031.

It is an arithmetic number, because the mean of its divisors is an integer number (165140644968).

Almost surely, 2^{1320425351051} is an apocalyptic number.

1320425351051 is a deficient number, since it is larger than the sum of its proper divisors (699808693).

1320425351051 is an equidigital number, since it uses as much as digits as its factorization.

1320425351051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87861.

The product of its (nonzero) digits is 18000, while the sum is 32.

The spelling of 1320425351051 in words is "one trillion, three hundred twenty billion, four hundred twenty-five million, three hundred fifty-one thousand, fifty-one".