11512663021330 has 8 divisors (see below), whose sum is σ = 20722793438412. Its totient is φ = 4605065208528.

The previous prime is 11512663021291. The next prime is 11512663021367. The reversal of 11512663021330 is 3312036621511.

It can be written as a sum of positive squares in 2 ways, for example, as 11070106789329 + 442556232001 = 3327177^2 + 665249^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 575633151057 + ... + 575633151076.

Almost surely, 2^{11512663021330} is an apocalyptic number.

11512663021330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11512663021330 is a deficient number, since it is larger than the sum of its proper divisors (9210130417082).

11512663021330 is a wasteful number, since it uses less digits than its factorization.

11512663021330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1151266302140.

The product of its (nonzero) digits is 19440, while the sum is 34.

Adding to 11512663021330 its reverse (3312036621511), we get a palindrome (14824699642841).

The spelling of 11512663021330 in words is "eleven trillion, five hundred twelve billion, six hundred sixty-three million, twenty-one thousand, three hundred thirty".