12619496515 has 4 divisors (see below), whose sum is σ = 15143395824. Its totient is φ = 10095597208.

The previous prime is 12619496507. The next prime is 12619496531. The reversal of 12619496515 is 51569491621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12619496515 - 2³ = 12619496507 is a prime.

It is a super-4 number, since 4×12619496515⁴ (a number of 42 digits) contains 4444 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1261949647 + ... + 1261949656.

It is an arithmetic number, because the mean of its divisors is an integer number (3785848956).

Almost surely, 2^12619496515 is an apocalyptic number.

12619496515 is a deficient number, since it is larger than the sum of its proper divisors (2523899309).

12619496515 is an equidigital number, since it uses as much as digits as its factorization.

12619496515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2523899308.

The product of its digits is 583200, while the sum is 49.

The spelling of 12619496515 in words is "twelve billion, six hundred nineteen million, four hundred ninety-six thousand, five hundred fifteen".