11843845537885 has 16 divisors (see below), whose sum is σ = 14836074172416. Its totient is φ = 9059743399168.

The previous prime is 11843845537877. The next prime is 11843845537891. The reversal of 11843845537885 is 58873554834811.

It is a cyclic number.

It is not a de Polignac number, because 11843845537885 - 2³ = 11843845537877 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 15 ways as a sum of consecutive naturals, for example, 18855484 + ... + 19473493.

It is an arithmetic number, because the mean of its divisors is an integer number (927254635776).

Almost surely, 2^{11843845537885} is an apocalyptic number.

It is an amenable number.

11843845537885 is a deficient number, since it is larger than the sum of its proper divisors (2992228634531).

11843845537885 is a wasteful number, since it uses less digits than its factorization.

11843845537885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38331692.

The product of its digits is 516096000, while the sum is 70.

The spelling of 11843845537885 in words is "eleven trillion, eight hundred forty-three billion, eight hundred forty-five million, five hundred thirty-seven thousand, eight hundred eighty-five".