21173136011314 has 8 divisors (see below), whose sum is σ = 36296804590848. Its totient is φ = 9074201147700.

The previous prime is 21173136011303. The next prime is 21173136011323. The reversal of 21173136011314 is 41311063137112.

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

It is a self number, because there is not a number n which added to its sum of digits gives 21173136011314.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 756183428962 + ... + 756183428989.

It is an arithmetic number, because the mean of its divisors is an integer number (4537100573856).

Almost surely, 2^{21173136011314} is an apocalyptic number.

21173136011314 is a deficient number, since it is larger than the sum of its proper divisors (15123668579534).

21173136011314 is a wasteful number, since it uses less digits than its factorization.

21173136011314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1512366857960.

The product of its (nonzero) digits is 9072, while the sum is 34.

Adding to 21173136011314 its reverse (41311063137112), we get a palindrome (62484199148426).

The spelling of 21173136011314 in words is "twenty-one trillion, one hundred seventy-three billion, one hundred thirty-six million, eleven thousand, three hundred fourteen".