12615000261345 has 12 divisors (see below), whose sum is σ = 21866000453076. Its totient is φ = 6728000139360.

The previous prime is 12615000261337. The next prime is 12615000261361. The reversal of 12615000261345 is 54316200051621.

12615000261345 is a `hidden beast` number, since 1 + 2 + 6 + 1 + 50 + 0 + 0 + 261 + 345 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 9163074081249 + 3451926180096 = 3027057^2 + 1857936^2 .

It is not a de Polignac number, because 12615000261345 - 2³ = 12615000261337 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 140166669526 + ... + 140166669615.

It is an arithmetic number, because the mean of its divisors is an integer number (1822166704423).

Almost surely, 2^{12615000261345} is an apocalyptic number.

12615000261345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12615000261345 is a deficient number, since it is larger than the sum of its proper divisors (9251000191731).

12615000261345 is a wasteful number, since it uses less digits than its factorization.

12615000261345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280333339152 (or 280333339149 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 12615000261345 in words is "twelve trillion, six hundred fifteen billion, two hundred sixty-one thousand, three hundred forty-five".