11540450130212 has 12 divisors (see below), whose sum is σ = 20381070184860. Its totient is φ = 5717287220256.

The previous prime is 11540450130191. The next prime is 11540450130217. The reversal of 11540450130212 is 21203105404511.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5088931409956 + 6451518720256 = 2255866^2 + 2539984^2 .

It is not an unprimeable number, because it can be changed into a prime (11540450130217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13234460723 + ... + 13234461594.

It is an arithmetic number, because the mean of its divisors is an integer number (1698422515405).

Almost surely, 2^{11540450130212} is an apocalyptic number.

It is an amenable number.

11540450130212 is a deficient number, since it is larger than the sum of its proper divisors (8840620054648).

11540450130212 is a wasteful number, since it uses less digits than its factorization.

11540450130212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26468922430 (or 26468922428 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 11540450130212 its reverse (21203105404511), we get a palindrome (32743555534723).

The spelling of 11540450130212 in words is "eleven trillion, five hundred forty billion, four hundred fifty million, one hundred thirty thousand, two hundred twelve".