10320959555 has 4 divisors (see below), whose sum is σ = 12385151472. Its totient is φ = 8256767640.

The previous prime is 10320959521. The next prime is 10320959567. The reversal of 10320959555 is 55595902301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55595902301 = 271 ⋅205150931.

It is not a de Polignac number, because 10320959555 - 2⁶ = 10320959491 is a prime.

It is a super-2 number, since 2×10320959555² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1032095951 + ... + 1032095960.

It is an arithmetic number, because the mean of its divisors is an integer number (3096287868).

Almost surely, 2^10320959555 is an apocalyptic number.

10320959555 is a deficient number, since it is larger than the sum of its proper divisors (2064191917).

10320959555 is an equidigital number, since it uses as much as digits as its factorization.

10320959555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2064191916.

The product of its (nonzero) digits is 303750, while the sum is 44.

The spelling of 10320959555 in words is "ten billion, three hundred twenty million, nine hundred fifty-nine thousand, five hundred fifty-five".