51646230411210 has 96 divisors (see below), whose sum is σ = 136825909129728. Its totient is φ = 13511275689600.

The previous prime is 51646230411187. The next prime is 51646230411233. The reversal of 51646230411210 is 1211403264615.

51646230411210 is a `hidden beast` number, since 5 + 1 + 6 + 4 + 6 + 23 + 0 + 411 + 210 = 666.

It is an interprime number because it is at equal distance from previous prime (51646230411187) and next prime (51646230411233).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 54013785 + ... + 54961635.

It is an arithmetic number, because the mean of its divisors is an integer number (1425269886768).

Almost surely, 2^{51646230411210} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51646230411210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68412954564864).

51646230411210 is an abundant number, since it is smaller than the sum of its proper divisors (85179678718518).

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

51646230411210 is a wasteful number, since it uses less digits than its factorization.

51646230411210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959340 (or 959337 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

Adding to 51646230411210 its reverse (1211403264615), we get a palindrome (52857633675825).

The spelling of 51646230411210 in words is "fifty-one trillion, six hundred forty-six billion, two hundred thirty million, four hundred eleven thousand, two hundred ten".