51055501004061 has 8 divisors (see below), whose sum is σ = 68074074768000. Its totient is φ = 34036963954752.

The previous prime is 51055501004051. The next prime is 51055501004069. The reversal of 51055501004061 is 16040010555015.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51055501004061 - 2¹¹ = 51055501002013 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51055501004069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5751061 + ... + 11626938.

It is an arithmetic number, because the mean of its divisors is an integer number (8509259346000).

Almost surely, 2^{51055501004061} is an apocalyptic number.

It is an amenable number.

51055501004061 is a deficient number, since it is larger than the sum of its proper divisors (17018573763939).

51055501004061 is a wasteful number, since it uses less digits than its factorization.

51055501004061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18357315.

The product of its (nonzero) digits is 15000, while the sum is 33.

Adding to 51055501004061 its reverse (16040010555015), we get a palindrome (67095511559076).

The spelling of 51055501004061 in words is "fifty-one trillion, fifty-five billion, five hundred one million, four thousand, sixty-one".