10807783051221 has 12 divisors (see below), whose sum is σ = 16812106968748. Its totient is φ = 6650943416064.

The previous prime is 10807783051181. The next prime is 10807783051253. The reversal of 10807783051221 is 12215038770801.

10807783051221 is a `hidden beast` number, since 1 + 0 + 80 + 7 + 7 + 8 + 30 + 512 + 21 = 666.

10807783051221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1612569816900 + 9195213234321 = 1269870^2 + 3032361^2 .

It is not a de Polignac number, because 10807783051221 - 2³³ = 10799193116629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10807783050221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46187106940 + ... + 46187107173.

Almost surely, 2^{10807783051221} is an apocalyptic number.

It is an amenable number.

10807783051221 is a deficient number, since it is larger than the sum of its proper divisors (6004323917527).

10807783051221 is a wasteful number, since it uses less digits than its factorization.

10807783051221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92374214132 (or 92374214129 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 45.

The spelling of 10807783051221 in words is "ten trillion, eight hundred seven billion, seven hundred eighty-three million, fifty-one thousand, two hundred twenty-one".