11946398131328 has 16 divisors (see below), whose sum is σ = 23799465027510. Its totient is φ = 5973199065600.

The previous prime is 11946398131319. The next prime is 11946398131357. The reversal of 11946398131328 is 82313189364911.

It can be written as a sum of positive squares in only one way, i.e., 11333133726784 + 613264404544 = 3366472^2 + 783112^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46665617573 + ... + 46665617828.

Almost surely, 2^{11946398131328} is an apocalyptic number.

It is an amenable number.

11946398131328 is a deficient number, since it is larger than the sum of its proper divisors (11853066896182).

11946398131328 is an frugal number, since it uses more digits than its factorization.

11946398131328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93331235415 (or 93331235403 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 59.

The spelling of 11946398131328 in words is "eleven trillion, nine hundred forty-six billion, three hundred ninety-eight million, one hundred thirty-one thousand, three hundred twenty-eight".