10320013252561 has 8 divisors (see below), whose sum is σ = 10444436341920. Its totient is φ = 10195592200992.

The previous prime is 10320013252531. The next prime is 10320013252573. The reversal of 10320013252561 is 16525231002301.

10320013252561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 10320013252561 - 2⁷ = 10320013252433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10320013252511) 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, 11328306 + ... + 12205348.

It is an arithmetic number, because the mean of its divisors is an integer number (1305554542740).

Almost surely, 2^{10320013252561} is an apocalyptic number.

It is an amenable number.

10320013252561 is a deficient number, since it is larger than the sum of its proper divisors (124423089359).

10320013252561 is an equidigital number, since it uses as much as digits as its factorization.

10320013252561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018895.

The product of its (nonzero) digits is 10800, while the sum is 31.

Adding to 10320013252561 its reverse (16525231002301), we get a palindrome (26845244254862).

The spelling of 10320013252561 in words is "ten trillion, three hundred twenty billion, thirteen million, two hundred fifty-two thousand, five hundred sixty-one".