11847675861 has 48 divisors (see below), whose sum is σ = 19923606144. Its totient is φ = 6644322432.

The previous prime is 11847675841. The next prime is 11847675881. The reversal of 11847675861 is 16857674811.

11847675861 is a `hidden beast` number, since 1 + 18 + 47 + 6 + 7 + 586 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (11847675841) and next prime (11847675881).

It is not a de Polignac number, because 11847675861 - 2⁹ = 11847675349 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11847675798 and 11847675807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11847675841) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1164151 + ... + 1174283.

It is an arithmetic number, because the mean of its divisors is an integer number (415075128).

Almost surely, 2^11847675861 is an apocalyptic number.

It is an amenable number.

11847675861 is a deficient number, since it is larger than the sum of its proper divisors (8075930283).

11847675861 is a wasteful number, since it uses less digits than its factorization.

11847675861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10490 (or 10487 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 54.

The spelling of 11847675861 in words is "eleven billion, eight hundred forty-seven million, six hundred seventy-five thousand, eight hundred sixty-one".