11871652320145 has 8 divisors (see below), whose sum is σ = 14246068568256. Its totient is φ = 9497264666736.

The previous prime is 11871652320097. The next prime is 11871652320263. The reversal of 11871652320145 is 54102325617811.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 11871652320145 - 2⁹ = 11871652319633 is a prime.

It is a super-2 number, since 2×11871652320145² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11871652320095 and 11871652320104.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6224437 + ... + 7904866.

It is an arithmetic number, because the mean of its divisors is an integer number (1780758571032).

Almost surely, 2^{11871652320145} is an apocalyptic number.

It is an amenable number.

11871652320145 is a deficient number, since it is larger than the sum of its proper divisors (2374416248111).

11871652320145 is a wasteful number, since it uses less digits than its factorization.

11871652320145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14297351.

The product of its (nonzero) digits is 403200, while the sum is 46.

Adding to 11871652320145 its reverse (54102325617811), we get a palindrome (65973977937956).

The spelling of 11871652320145 in words is "eleven trillion, eight hundred seventy-one billion, six hundred fifty-two million, three hundred twenty thousand, one hundred forty-five".