51204322533105 has 96 divisors (see below), whose sum is σ = 109543378665600. Its totient is φ = 22600528481664.

The previous prime is 51204322533101. The next prime is 51204322533179. The reversal of 51204322533105 is 50133522340215.

51204322533105 is a `hidden beast` number, since 5 + 12 + 0 + 4 + 3 + 2 + 2 + 533 + 105 = 666.

It is not a de Polignac number, because 51204322533105 - 2² = 51204322533101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51204322533105.

It is not an unprimeable number, because it can be changed into a prime (51204322533101) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 133267447 + ... + 133651116.

It is an arithmetic number, because the mean of its divisors is an integer number (1141076861100).

Almost surely, 2^{51204322533105} is an apocalyptic number.

It is an amenable number.

51204322533105 is an abundant number, since it is smaller than the sum of its proper divisors (58339056132495).

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

51204322533105 is a wasteful number, since it uses less digits than its factorization.

51204322533105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266918620 (or 266918607 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The spelling of 51204322533105 in words is "fifty-one trillion, two hundred four billion, three hundred twenty-two million, five hundred thirty-three thousand, one hundred five".