11512331013205 has 32 divisors (see below), whose sum is σ = 15557251350528. Its totient is φ = 8102305646400.

The previous prime is 11512331013193. The next prime is 11512331013221. The reversal of 11512331013205 is 50231013321511.

It is not a de Polignac number, because 11512331013205 - 2⁵ = 11512331013173 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 31 ways as a sum of consecutive naturals, for example, 92149092 + ... + 92273938.

It is an arithmetic number, because the mean of its divisors is an integer number (486164104704).

Almost surely, 2^{11512331013205} is an apocalyptic number.

It is an amenable number.

11512331013205 is a deficient number, since it is larger than the sum of its proper divisors (4044920337323).

11512331013205 is a wasteful number, since it uses less digits than its factorization.

11512331013205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178977.

The product of its (nonzero) digits is 2700, while the sum is 28.

Adding to 11512331013205 its reverse (50231013321511), we get a palindrome (61743344334716).

The spelling of 11512331013205 in words is "eleven trillion, five hundred twelve billion, three hundred thirty-one million, thirteen thousand, two hundred five".