21546131046041 has 8 divisors (see below), whose sum is σ = 24627441385344. Its totient is φ = 18465643611360.

The previous prime is 21546131046019. The next prime is 21546131046101. The reversal of 21546131046041 is 14064013164512.

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 21546131046041 - 2¹⁰ = 21546131045017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21546131045986 and 21546131046004.

It is not an unprimeable number, because it can be changed into a prime (21546131046841) 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, 205670045 + ... + 205774778.

It is an arithmetic number, because the mean of its divisors is an integer number (3078430173168).

Almost surely, 2^{21546131046041} is an apocalyptic number.

It is an amenable number.

21546131046041 is a deficient number, since it is larger than the sum of its proper divisors (3081310339303).

21546131046041 is an equidigital number, since it uses as much as digits as its factorization.

21546131046041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411452311.

The product of its (nonzero) digits is 69120, while the sum is 38.

The spelling of 21546131046041 in words is "twenty-one trillion, five hundred forty-six billion, one hundred thirty-one million, forty-six thousand, forty-one".