11512343253122 has 4 divisors (see below), whose sum is σ = 17268514879686. Its totient is φ = 5756171626560.

The previous prime is 11512343253113. The next prime is 11512343253149. The reversal of 11512343253122 is 22135234321511.

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., 6259908924361 + 5252434328761 = 2501981^2 + 2291819^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2878085813279 + ... + 2878085813282.

Almost surely, 2^{11512343253122} is an apocalyptic number.

11512343253122 is a deficient number, since it is larger than the sum of its proper divisors (5756171626564).

11512343253122 is an equidigital number, since it uses as much as digits as its factorization.

11512343253122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5756171626563.

The product of its digits is 43200, while the sum is 35.

Adding to 11512343253122 its reverse (22135234321511), we get a palindrome (33647577574633).

The spelling of 11512343253122 in words is "eleven trillion, five hundred twelve billion, three hundred forty-three million, two hundred fifty-three thousand, one hundred twenty-two".