21376051230104 has 8 divisors (see below), whose sum is σ = 40080096056460. Its totient is φ = 10688025615048.

The previous prime is 21376051230091. The next prime is 21376051230109. The reversal of 21376051230104 is 40103215067312.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21376051230109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1336003201874 + ... + 1336003201889.

Almost surely, 2^{21376051230104} is an apocalyptic number.

It is an amenable number.

21376051230104 is a deficient number, since it is larger than the sum of its proper divisors (18704044826356).

21376051230104 is a wasteful number, since it uses less digits than its factorization.

21376051230104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2672006403769 (or 2672006403765 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

Adding to 21376051230104 its reverse (40103215067312), we get a palindrome (61479266297416).

The spelling of 21376051230104 in words is "twenty-one trillion, three hundred seventy-six billion, fifty-one million, two hundred thirty thousand, one hundred four".