10821995771136 has 72 divisors (see below), whose sum is σ = 31420680928224. Its totient is φ = 3279392655360.

The previous prime is 10821995771117. The next prime is 10821995771207. The reversal of 10821995771136 is 63117759912801.

It is a super-3 number, since 3×10821995771136³ (a number of 40 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10821995771136.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 640497931 + ... + 640514826.

Almost surely, 2^{10821995771136} is an apocalyptic number.

10821995771136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

10821995771136 is an abundant number, since it is smaller than the sum of its proper divisors (20598685157088).

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

10821995771136 is a wasteful number, since it uses less digits than its factorization.

10821995771136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1281012787 (or 1281012773 counting only the distinct ones).

The product of its (nonzero) digits is 5715360, while the sum is 60.

The spelling of 10821995771136 in words is "ten trillion, eight hundred twenty-one billion, nine hundred ninety-five million, seven hundred seventy-one thousand, one hundred thirty-six".