1320625502509 has 8 divisors (see below), whose sum is σ = 1348751858688. Its totient is φ = 1292500310640.

The previous prime is 1320625502477. The next prime is 1320625502531. The reversal of 1320625502509 is 9052055260231.

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 1320625502509 - 2⁵ = 1320625502477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320625502549) 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, 2232004 + ... + 2760994.

It is an arithmetic number, because the mean of its divisors is an integer number (168593982336).

Almost surely, 2^{1320625502509} is an apocalyptic number.

It is an amenable number.

1320625502509 is a deficient number, since it is larger than the sum of its proper divisors (28126356179).

1320625502509 is an equidigital number, since it uses as much as digits as its factorization.

1320625502509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582155.

The product of its (nonzero) digits is 162000, while the sum is 40.

The spelling of 1320625502509 in words is "one trillion, three hundred twenty billion, six hundred twenty-five million, five hundred two thousand, five hundred nine".