11843845537850 has 12 divisors (see below), whose sum is σ = 22029552700494. Its totient is φ = 4737538215120.

The previous prime is 11843845537817. The next prime is 11843845537861. The reversal of 11843845537850 is 5873554834811.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 8791812079801 + 3052033458049 = 2965099^2 + 1747007^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 118438455329 + ... + 118438455428.

Almost surely, 2^{11843845537850} is an apocalyptic number.

11843845537850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11843845537850 is a deficient number, since it is larger than the sum of its proper divisors (10185707162644).

11843845537850 is a wasteful number, since it uses less digits than its factorization.

11843845537850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236876910769 (or 236876910764 counting only the distinct ones).

The product of its (nonzero) digits is 64512000, while the sum is 62.

The spelling of 11843845537850 in words is "eleven trillion, eight hundred forty-three billion, eight hundred forty-five million, five hundred thirty-seven thousand, eight hundred fifty".