12115455210315 has 80 divisors (see below), whose sum is σ = 23014564452000. Its totient is φ = 6080408736768.

The previous prime is 12115455210311. The next prime is 12115455210343. The reversal of 12115455210315 is 51301255451121.

12115455210315 is a `hidden beast` number, since 1 + 2 + 1 + 1 + 545 + 5 + 2 + 103 + 1 + 5 = 666.

It is not a de Polignac number, because 12115455210315 - 2² = 12115455210311 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12115455210315.

It is not an unprimeable number, because it can be changed into a prime (12115455210311) 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 79 ways as a sum of consecutive naturals, for example, 4136862 + ... + 6429971.

It is an arithmetic number, because the mean of its divisors is an integer number (287682055650).

Almost surely, 2^{12115455210315} is an apocalyptic number.

12115455210315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12115455210315 is a deficient number, since it is larger than the sum of its proper divisors (10899109241685).

12115455210315 is a wasteful number, since it uses less digits than its factorization.

12115455210315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10567018 (or 10567009 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 36.

The spelling of 12115455210315 in words is "twelve trillion, one hundred fifteen billion, four hundred fifty-five million, two hundred ten thousand, three hundred fifteen".