11648873515 has 8 divisors (see below), whose sum is σ = 14029114320. Its totient is φ = 9285454752.

The previous prime is 11648873471. The next prime is 11648873521. The reversal of 11648873515 is 51537884611.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11648873515 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4203985 + ... + 4206754.

It is an arithmetic number, because the mean of its divisors is an integer number (1753639290).

Almost surely, 2^11648873515 is an apocalyptic number.

11648873515 is a deficient number, since it is larger than the sum of its proper divisors (2380240805).

11648873515 is an equidigital number, since it uses as much as digits as its factorization.

11648873515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8411021.

The product of its digits is 806400, while the sum is 49.

The spelling of 11648873515 in words is "eleven billion, six hundred forty-eight million, eight hundred seventy-three thousand, five hundred fifteen".