11668194750005 has 16 divisors (see below), whose sum is σ = 14381647922304. Its totient is φ = 9081394960320.

The previous prime is 11668194749999. The next prime is 11668194750007. The reversal of 11668194750005 is 50005749186611.

It is not a de Polignac number, because 11668194750005 - 2⁶ = 11668194749941 is a prime.

It is a super-2 number, since 2×11668194750005² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11668194750007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1112567 + ... + 4957236.

It is an arithmetic number, because the mean of its divisors is an integer number (898852995144).

Almost surely, 2^{11668194750005} is an apocalyptic number.

It is an amenable number.

11668194750005 is a deficient number, since it is larger than the sum of its proper divisors (2713453172299).

11668194750005 is a wasteful number, since it uses less digits than its factorization.

11668194750005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6080236.

The product of its (nonzero) digits is 1814400, while the sum is 53.

The spelling of 11668194750005 in words is "eleven trillion, six hundred sixty-eight billion, one hundred ninety-four million, seven hundred fifty thousand, five".