213133425364560 has 80 divisors (see below), whose sum is σ = 660720935796480. Its totient is φ = 56834950663680.

The previous prime is 213133425364549. The next prime is 213133425364669. The reversal of 213133425364560 is 65463524331312.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 17001961 + ... + 26745719.

It is an arithmetic number, because the mean of its divisors is an integer number (8259011697456).

Almost surely, 2^{213133425364560} is an apocalyptic number.

213133425364560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213133425364560 is an abundant number, since it is smaller than the sum of its proper divisors (447587510431920).

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

213133425364560 is a wasteful number, since it uses less digits than its factorization.

213133425364560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9834916 (or 9834910 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 48.

Adding to 213133425364560 its reverse (65463524331312), we get a palindrome (278596949695872).

The spelling of 213133425364560 in words is "two hundred thirteen trillion, one hundred thirty-three billion, four hundred twenty-five million, three hundred sixty-four thousand, five hundred sixty".