11515316123315 has 8 divisors (see below), whose sum is σ = 14419178450208. Its totient is φ = 8811720163840.

The previous prime is 11515316123303. The next prime is 11515316123317. The reversal of 11515316123315 is 51332161351511.

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

It is not a de Polignac number, because 11515316123315 - 2¹⁶ = 11515316057779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11515316123317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50066591726 + ... + 50066591955.

It is an arithmetic number, because the mean of its divisors is an integer number (1802397306276).

Almost surely, 2^{11515316123315} is an apocalyptic number.

11515316123315 is a deficient number, since it is larger than the sum of its proper divisors (2903862326893).

11515316123315 is a wasteful number, since it uses less digits than its factorization.

11515316123315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100133183709.

The product of its digits is 40500, while the sum is 38.

Adding to 11515316123315 its reverse (51332161351511), we get a palindrome (62847477474826).

The spelling of 11515316123315 in words is "eleven trillion, five hundred fifteen billion, three hundred sixteen million, one hundred twenty-three thousand, three hundred fifteen".