12055600515 has 32 divisors (see below), whose sum is σ = 22048943616. Its totient is φ = 5510027520.

The previous prime is 12055600471. The next prime is 12055600519. The reversal of 12055600515 is 51500655021.

It is not a de Polignac number, because 12055600515 - 2¹² = 12055596419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12055600519) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 760864 + ... + 776546.

It is an arithmetic number, because the mean of its divisors is an integer number (689029488).

Almost surely, 2^12055600515 is an apocalyptic number.

12055600515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12055600515 is a deficient number, since it is larger than the sum of its proper divisors (9993343101).

12055600515 is a wasteful number, since it uses less digits than its factorization.

12055600515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23019.

The product of its (nonzero) digits is 7500, while the sum is 30.

The spelling of 12055600515 in words is "twelve billion, fifty-five million, six hundred thousand, five hundred fifteen".