10921444360144 has 20 divisors (see below), whose sum is σ = 21192703212996. Its totient is φ = 5452359660032.

The previous prime is 10921444360133. The next prime is 10921444360187. The reversal of 10921444360144 is 44106344412901.

It can be written as a sum of positive squares in 2 ways, for example, as 2534744199744 + 8386700160400 = 1592088^2 + 2895980^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 10921444360144.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 522646729 + ... + 522667624.

Almost surely, 2^{10921444360144} is an apocalyptic number.

It is an amenable number.

10921444360144 is a deficient number, since it is larger than the sum of its proper divisors (10271258852852).

10921444360144 is a wasteful number, since it uses less digits than its factorization.

10921444360144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1045315014 (or 1045315008 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 43.

The spelling of 10921444360144 in words is "ten trillion, nine hundred twenty-one billion, four hundred forty-four million, three hundred sixty thousand, one hundred forty-four".