10320505315555 has 8 divisors (see below), whose sum is σ = 12385412812800. Its totient is φ = 8255866629696.

The previous prime is 10320505315543. The next prime is 10320505315559. The reversal of 10320505315555 is 55551350502301.

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 10320505315555 - 2³¹ = 10318357831907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10320505315559) 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, 67118370 + ... + 67271959.

It is an arithmetic number, because the mean of its divisors is an integer number (1548176601600).

Almost surely, 2^{10320505315555} is an apocalyptic number.

10320505315555 is a deficient number, since it is larger than the sum of its proper divisors (2064907497245).

10320505315555 is a wasteful number, since it uses less digits than its factorization.

10320505315555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134405693.

The product of its (nonzero) digits is 281250, while the sum is 40.

Adding to 10320505315555 its reverse (55551350502301), we get a palindrome (65871855817856).

The spelling of 10320505315555 in words is "ten trillion, three hundred twenty billion, five hundred five million, three hundred fifteen thousand, five hundred fifty-five".