21115323264246 has 32 divisors (see below), whose sum is σ = 42457638339168. Its totient is φ = 7000623175680.

The previous prime is 21115323264229. The next prime is 21115323264281. The reversal of 21115323264246 is 64246232351112.

It is a junction number, because it is equal to n+sod(n) for n = 21115323264198 and 21115323264207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4263816 + ... + 7772436.

It is an arithmetic number, because the mean of its divisors is an integer number (1326801198099).

Almost surely, 2^{21115323264246} is an apocalyptic number.

21115323264246 is an abundant number, since it is smaller than the sum of its proper divisors (21342315074922).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21115323264246 is a wasteful number, since it uses less digits than its factorization.

21115323264246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3514016.

The product of its digits is 414720, while the sum is 42.

The spelling of 21115323264246 in words is "twenty-one trillion, one hundred fifteen billion, three hundred twenty-three million, two hundred sixty-four thousand, two hundred forty-six".