51051006011061 has 12 divisors (see below), whose sum is σ = 84274676589792. Its totient is φ = 29172003434856.

The previous prime is 51051006011039. The next prime is 51051006011111. The reversal of 51051006011061 is 16011060015015.

51051006011061 is a `hidden beast` number, since 5 + 1 + 0 + 51 + 0 + 0 + 601 + 1 + 0 + 6 + 1 = 666.

It is not a de Polignac number, because 51051006011061 - 2⁹ = 51051006010549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51051006011261) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 405166714311 + ... + 405166714436.

It is an arithmetic number, because the mean of its divisors is an integer number (7022889715816).

Almost surely, 2^{51051006011061} is an apocalyptic number.

It is an amenable number.

51051006011061 is a deficient number, since it is larger than the sum of its proper divisors (33223670578731).

51051006011061 is a wasteful number, since it uses less digits than its factorization.

51051006011061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810333428760 (or 810333428757 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 27.

Adding to 51051006011061 its reverse (16011060015015), we get a palindrome (67062066026076).

The spelling of 51051006011061 in words is "fifty-one trillion, fifty-one billion, six million, eleven thousand, sixty-one".