21041313660199 has 8 divisors (see below), whose sum is σ = 24056198530208. Its totient is φ = 18028674519840.

The previous prime is 21041313660179. The next prime is 21041313660233. The reversal of 21041313660199 is 99106631314012.

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 21041313660199 - 2³⁹ = 20491557846311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21041313660179) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 561412332 + ... + 561449809.

It is an arithmetic number, because the mean of its divisors is an integer number (3007024816276).

Almost surely, 2^{21041313660199} is an apocalyptic number.

21041313660199 is a deficient number, since it is larger than the sum of its proper divisors (3014884870009).

21041313660199 is a wasteful number, since it uses less digits than its factorization.

21041313660199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122864825.

The product of its (nonzero) digits is 209952, while the sum is 46.

The spelling of 21041313660199 in words is "twenty-one trillion, forty-one billion, three hundred thirteen million, six hundred sixty thousand, one hundred ninety-nine".