11810055243 has 64 divisors (see below), whose sum is σ = 18752228352. Its totient is φ = 6472327680.

The previous prime is 11810055233. The next prime is 11810055269. The reversal of 11810055243 is 34255001811.

It is not a de Polignac number, because 11810055243 - 2⁸ = 11810054987 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11810055243.

It is not an unprimeable number, because it can be changed into a prime (11810055233) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13374480 + ... + 13375362.

It is an arithmetic number, because the mean of its divisors is an integer number (293003568).

Almost surely, 2^11810055243 is an apocalyptic number.

11810055243 is a deficient number, since it is larger than the sum of its proper divisors (6942173109).

11810055243 is a wasteful number, since it uses less digits than its factorization.

11810055243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1204.

The product of its (nonzero) digits is 4800, while the sum is 30.

The spelling of 11810055243 in words is "eleven billion, eight hundred ten million, fifty-five thousand, two hundred forty-three".