11872866401793 has 10 divisors (see below), whose sum is σ = 17736010304034. Its totient is φ = 7915244267808.

The previous prime is 11872866401771. The next prime is 11872866401827. The reversal of 11872866401793 is 39710466827811.

11872866401793 is a `hidden beast` number, since 1 + 1 + 87 + 2 + 8 + 66 + 401 + 7 + 93 = 666.

It can be written as a sum of positive squares in only one way, i.e., 11630746310544 + 242120091249 = 3410388^2 + 492057^2 .

It is not a de Polignac number, because 11872866401793 - 2¹² = 11872866397697 is a prime.

It is a super-2 number, since 2×11872866401793² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11872866401793.

It is not an unprimeable number, because it can be changed into a prime (11872866401723) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 73289298696 + ... + 73289298857.

Almost surely, 2^{11872866401793} is an apocalyptic number.

It is an amenable number.

11872866401793 is a deficient number, since it is larger than the sum of its proper divisors (5863143902241).

11872866401793 is an equidigital number, since it uses as much as digits as its factorization.

11872866401793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146578597565 (or 146578597556 counting only the distinct ones).

The product of its (nonzero) digits is 24385536, while the sum is 63.

The spelling of 11872866401793 in words is "eleven trillion, eight hundred seventy-two billion, eight hundred sixty-six million, four hundred one thousand, seven hundred ninety-three".