11655231230313 has 72 divisors (see below), whose sum is σ = 18568188587520. Its totient is φ = 6986777616000.

The previous prime is 11655231230303. The next prime is 11655231230317. The reversal of 11655231230313 is 31303213255611.

11655231230313 is a `hidden beast` number, since 1 + 1 + 6 + 5 + 523 + 123 + 0 + 3 + 1 + 3 = 666.

It is not a de Polignac number, because 11655231230313 - 2²² = 11655227036009 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11655231230317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1103814328 + ... + 1103824886.

It is an arithmetic number, because the mean of its divisors is an integer number (257891508160).

Almost surely, 2^{11655231230313} is an apocalyptic number.

It is an amenable number.

11655231230313 is a deficient number, since it is larger than the sum of its proper divisors (6912957357207).

11655231230313 is a wasteful number, since it uses less digits than its factorization.

11655231230313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11871 (or 11767 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 36.

Adding to 11655231230313 its reverse (31303213255611), we get a palindrome (42958444485924).

The spelling of 11655231230313 in words is "eleven trillion, six hundred fifty-five billion, two hundred thirty-one million, two hundred thirty thousand, three hundred thirteen".