11810195243 has 8 divisors (see below), whose sum is σ = 14724399360. Its totient is φ = 9202749480.

The previous prime is 11810195233. The next prime is 11810195311. The reversal of 11810195243 is 34259101811.

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 not a de Polignac number, because 11810195243 - 2¹² = 11810191147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11810195233) 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, 76689503 + ... + 76689656.

It is an arithmetic number, because the mean of its divisors is an integer number (1840549920).

Almost surely, 2^11810195243 is an apocalyptic number.

11810195243 is a deficient number, since it is larger than the sum of its proper divisors (2914204117).

11810195243 is a wasteful number, since it uses less digits than its factorization.

11810195243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153379177.

The product of its (nonzero) digits is 8640, while the sum is 35.

The spelling of 11810195243 in words is "eleven billion, eight hundred ten million, one hundred ninety-five thousand, two hundred forty-three".