12016641515 has 8 divisors (see below), whose sum is σ = 14809698960. Its totient is φ = 9353493792.

The previous prime is 12016641499. The next prime is 12016641517. The reversal of 12016641515 is 51514661021.

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

It is a cyclic number.

It is not a de Polignac number, because 12016641515 - 2⁴ = 12016641499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12016641517) 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, 32477225 + ... + 32477594.

It is an arithmetic number, because the mean of its divisors is an integer number (1851212370).

Almost surely, 2^12016641515 is an apocalyptic number.

12016641515 is a deficient number, since it is larger than the sum of its proper divisors (2793057445).

12016641515 is an equidigital number, since it uses as much as digits as its factorization.

12016641515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64954861.

The product of its (nonzero) digits is 7200, while the sum is 32.

The spelling of 12016641515 in words is "twelve billion, sixteen million, six hundred forty-one thousand, five hundred fifteen".