12311513115354 has 24 divisors (see below), whose sum is σ = 27050648537952. Its totient is φ = 4046037173640.

The previous prime is 12311513115221. The next prime is 12311513115401. The reversal of 12311513115354 is 45351131511321.

12311513115354 is a `hidden beast` number, since 1 + 2 + 3 + 115 + 1 + 3 + 1 + 1 + 535 + 4 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4816709644 + ... + 4816712199.

It is an arithmetic number, because the mean of its divisors is an integer number (1127110355748).

Almost surely, 2^{12311513115354} is an apocalyptic number.

12311513115354 is an abundant number, since it is smaller than the sum of its proper divisors (14739135422598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12311513115354 is a wasteful number, since it uses less digits than its factorization.

12311513115354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9633421922 (or 9633421919 counting only the distinct ones).

The product of its digits is 27000, while the sum is 36.

Adding to 12311513115354 its reverse (45351131511321), we get a palindrome (57662644626675).

The spelling of 12311513115354 in words is "twelve trillion, three hundred eleven billion, five hundred thirteen million, one hundred fifteen thousand, three hundred fifty-four".