10500122720545 has 8 divisors (see below), whose sum is σ = 12600189273960. Its totient is φ = 8400070170240.

The previous prime is 10500122720539. The next prime is 10500122720551. The reversal of 10500122720545 is 54502722100501.

It is an interprime number because it is at equal distance from previous prime (10500122720539) and next prime (10500122720551).

It can be written as a sum of positive squares in 4 ways, for example, as 670693843681 + 9829428876864 = 818959^2 + 3135192^2 .

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

It is not a de Polignac number, because 10500122720545 - 2⁵ = 10500122720513 is a prime.

It is a super-2 number, since 2×10500122720545² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10500122720545.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1773660 + ... + 4913869.

It is an arithmetic number, because the mean of its divisors is an integer number (1575023659245).

Almost surely, 2^{10500122720545} is an apocalyptic number.

It is an amenable number.

10500122720545 is a deficient number, since it is larger than the sum of its proper divisors (2100066553415).

10500122720545 is an equidigital number, since it uses as much as digits as its factorization.

10500122720545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7001555.

The product of its (nonzero) digits is 28000, while the sum is 34.

The spelling of 10500122720545 in words is "ten trillion, five hundred billion, one hundred twenty-two million, seven hundred twenty thousand, five hundred forty-five".