11512332032165 has 8 divisors (see below), whose sum is σ = 13816949979768. Its totient is φ = 9208431264960.

The previous prime is 11512332032141. The next prime is 11512332032171. The reversal of 11512332032165 is 56123023321511.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2042378257924 + 9469953774241 = 1429118^2 + 3077329^2 .

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

It is not a de Polignac number, because 11512332032165 - 2¹² = 11512332028069 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 179259782 + ... + 179323991.

It is an arithmetic number, because the mean of its divisors is an integer number (1727118747471).

Almost surely, 2^{11512332032165} is an apocalyptic number.

It is an amenable number.

11512332032165 is a deficient number, since it is larger than the sum of its proper divisors (2304617947603).

11512332032165 is an equidigital number, since it uses as much as digits as its factorization.

11512332032165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358590199.

The product of its (nonzero) digits is 32400, while the sum is 35.

Adding to 11512332032165 its reverse (56123023321511), we get a palindrome (67635355353676).

The spelling of 11512332032165 in words is "eleven trillion, five hundred twelve billion, three hundred thirty-two million, thirty-two thousand, one hundred sixty-five".