11618245193 has 4 divisors (see below), whose sum is σ = 11993027328. Its totient is φ = 11243463060.

The previous prime is 11618245187. The next prime is 11618245201. The reversal of 11618245193 is 39154281611.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11618245193 - 2¹⁸ = 11617983049 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11618245193.

It is not an unprimeable number, because it can be changed into a prime (11618245183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187391021 + ... + 187391082.

It is an arithmetic number, because the mean of its divisors is an integer number (2998256832).

Almost surely, 2^11618245193 is an apocalyptic number.

It is an amenable number.

11618245193 is a deficient number, since it is larger than the sum of its proper divisors (374782135).

11618245193 is an equidigital number, since it uses as much as digits as its factorization.

11618245193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374782134.

The product of its digits is 51840, while the sum is 41.

The spelling of 11618245193 in words is "eleven billion, six hundred eighteen million, two hundred forty-five thousand, one hundred ninety-three".