11724803409146 has 4 divisors (see below), whose sum is σ = 17587205113722. Its totient is φ = 5862401704572.

The previous prime is 11724803409127. The next prime is 11724803409197. The reversal of 11724803409146 is 64190430842711.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11582552989225 + 142250419921 = 3403315^2 + 377161^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11724803409094 and 11724803409103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2931200852285 + ... + 2931200852288.

Almost surely, 2^{11724803409146} is an apocalyptic number.

11724803409146 is a deficient number, since it is larger than the sum of its proper divisors (5862401704576).

11724803409146 is an equidigital number, since it uses as much as digits as its factorization.

11724803409146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5862401704575.

The product of its (nonzero) digits is 1161216, while the sum is 50.

The spelling of 11724803409146 in words is "eleven trillion, seven hundred twenty-four billion, eight hundred three million, four hundred nine thousand, one hundred forty-six".