10728991512069 has 16 divisors (see below), whose sum is σ = 14322046705344. Its totient is φ = 7144299219200.

The previous prime is 10728991512061. The next prime is 10728991512131. The reversal of 10728991512069 is 96021519982701.

It is a cyclic number.

It is not a de Polignac number, because 10728991512069 - 2³ = 10728991512061 is a prime.

It is a super-2 number, since 2×10728991512069² (a number of 27 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10728991512061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112176622 + ... + 112272224.

It is an arithmetic number, because the mean of its divisors is an integer number (895127919084).

Almost surely, 2^{10728991512069} is an apocalyptic number.

It is an amenable number.

10728991512069 is a deficient number, since it is larger than the sum of its proper divisors (3593055193275).

10728991512069 is an equidigital number, since it uses as much as digits as its factorization.

10728991512069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138948.

The product of its (nonzero) digits is 4898880, while the sum is 60.

The spelling of 10728991512069 in words is "ten trillion, seven hundred twenty-eight billion, nine hundred ninety-one million, five hundred twelve thousand, sixty-nine".