11847421566653 has 8 divisors (see below), whose sum is σ = 12051629949600. Its totient is φ = 11643326671408.

The previous prime is 11847421566593. The next prime is 11847421566679. The reversal of 11847421566653 is 35666512474811.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11847421566653 - 2⁸ = 11847421566397 is a prime.

It is a super-2 number, since 2×11847421566653² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is a junction number, because it is equal to n+sod(n) for n = 11847421566592 and 11847421566601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11847421566683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28161326 + ... + 28578927.

It is an arithmetic number, because the mean of its divisors is an integer number (1506453743700).

Almost surely, 2^{11847421566653} is an apocalyptic number.

It is an amenable number.

11847421566653 is a deficient number, since it is larger than the sum of its proper divisors (204208382947).

11847421566653 is an equidigital number, since it uses as much as digits as its factorization.

11847421566653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56743851.

The product of its digits is 29030400, while the sum is 59.

The spelling of 11847421566653 in words is "eleven trillion, eight hundred forty-seven billion, four hundred twenty-one million, five hundred sixty-six thousand, six hundred fifty-three".