12361190815 has 4 divisors (see below), whose sum is σ = 14833428984. Its totient is φ = 9888952648.

The previous prime is 12361190719. The next prime is 12361190833. The reversal of 12361190815 is 51809116321.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12361190815 is a prime.

It is a Duffinian number.

It is a congruent 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, 1236119077 + ... + 1236119086.

It is an arithmetic number, because the mean of its divisors is an integer number (3708357246).

Almost surely, 2^12361190815 is an apocalyptic number.

12361190815 is a deficient number, since it is larger than the sum of its proper divisors (2472238169).

12361190815 is an equidigital number, since it uses as much as digits as its factorization.

12361190815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2472238168.

The product of its (nonzero) digits is 12960, while the sum is 37.

The spelling of 12361190815 in words is "twelve billion, three hundred sixty-one million, one hundred ninety thousand, eight hundred fifteen".