10691720105028 has 192 divisors, whose sum is σ = 26138159308800. Its totient is φ = 3398556953088.

The previous prime is 10691720105021. The next prime is 10691720105039. The reversal of 10691720105028 is 82050102719601.

It is a super-2 number, since 2×10691720105028² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10691720105021) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1861693125 + ... + 1861698867.

It is an arithmetic number, because the mean of its divisors is an integer number (136136246400).

Almost surely, 2^{10691720105028} is an apocalyptic number.

It is an amenable number.

10691720105028 is an abundant number, since it is smaller than the sum of its proper divisors (15446439203772).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10691720105028 is a wasteful number, since it uses less digits than its factorization.

10691720105028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6306 (or 6304 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 42.

The spelling of 10691720105028 in words is "ten trillion, six hundred ninety-one billion, seven hundred twenty million, one hundred five thousand, twenty-eight".