10728991512028 has 48 divisors (see below), whose sum is σ = 19486436094720. Its totient is φ = 5163326668800.

The previous prime is 10728991512013. The next prime is 10728991512047. The reversal of 10728991512028 is 82021519982701.

It is a happy number.

It is a super-2 number, since 2×10728991512028² (a number of 27 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 10728991512028.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105465348 + ... + 105567028.

It is an arithmetic number, because the mean of its divisors is an integer number (405967418640).

Almost surely, 2^{10728991512028} is an apocalyptic number.

It is an amenable number.

10728991512028 is a deficient number, since it is larger than the sum of its proper divisors (8757444582692).

10728991512028 is a wasteful number, since it uses less digits than its factorization.

10728991512028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106318 (or 106316 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 55.

The spelling of 10728991512028 in words is "ten trillion, seven hundred twenty-eight billion, nine hundred ninety-one million, five hundred twelve thousand, twenty-eight".