51061501356122 has 4 divisors (see below), whose sum is σ = 76592252034186. Its totient is φ = 25530750678060.

The previous prime is 51061501355989. The next prime is 51061501356133. The reversal of 51061501356122 is 22165310516015.

51061501356122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 36786396302041 + 14275105054081 = 6065179^2 + 3778241^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12765375339029 + ... + 12765375339032.

Almost surely, 2^{51061501356122} is an apocalyptic number.

51061501356122 is a deficient number, since it is larger than the sum of its proper divisors (25530750678064).

51061501356122 is a wasteful number, since it uses less digits than its factorization.

51061501356122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25530750678063.

The product of its (nonzero) digits is 54000, while the sum is 38.

The spelling of 51061501356122 in words is "fifty-one trillion, sixty-one billion, five hundred one million, three hundred fifty-six thousand, one hundred twenty-two".