11844138195 has 64 divisors (see below), whose sum is σ = 21626611200. Its totient is φ = 6147907200.

The previous prime is 11844138143. The next prime is 11844138203. The reversal of 11844138195 is 59183144811.

11844138195 is a `hidden beast` number, since 1 + 18 + 441 + 3 + 8 + 195 = 666.

It is not a de Polignac number, because 11844138195 - 2¹⁴ = 11844121811 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 11844138195.

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 63 ways as a sum of consecutive naturals, for example, 797104 + ... + 811826.

It is an arithmetic number, because the mean of its divisors is an integer number (337915800).

Almost surely, 2^11844138195 is an apocalyptic number.

11844138195 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11844138195 is a deficient number, since it is larger than the sum of its proper divisors (9782473005).

11844138195 is a wasteful number, since it uses less digits than its factorization.

11844138195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14897 (or 14891 counting only the distinct ones).

The product of its digits is 138240, while the sum is 45.

The spelling of 11844138195 in words is "eleven billion, eight hundred forty-four million, one hundred thirty-eight thousand, one hundred ninety-five".