11946385177906 has 8 divisors (see below), whose sum is σ = 17942759629164. Its totient is φ = 5965465301520.

The previous prime is 11946385177901. The next prime is 11946385178023. The reversal of 11946385177906 is 60977158364911.

It can be written as a sum of positive squares in 2 ways, for example, as 10084276580625 + 1862108597281 = 3175575^2 + 1364591^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×11946385177906² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11946385177901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3863641785 + ... + 3863644876.

Almost surely, 2^{11946385177906} is an apocalyptic number.

11946385177906 is a deficient number, since it is larger than the sum of its proper divisors (5996374451258).

11946385177906 is an equidigital number, since it uses as much as digits as its factorization.

11946385177906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7727287436.

The product of its (nonzero) digits is 68584320, while the sum is 67.

The spelling of 11946385177906 in words is "eleven trillion, nine hundred forty-six billion, three hundred eighty-five million, one hundred seventy-seven thousand, nine hundred six".