51010511055061 has 16 divisors (see below), whose sum is σ = 53241335743680. Its totient is φ = 48826696164480.

The previous prime is 51010511055059. The next prime is 51010511055071. The reversal of 51010511055061 is 16055011501015.

51010511055061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 51010511055061 - 2¹ = 51010511055059 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51010511055071) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 244008166 + ... + 244217128.

It is an arithmetic number, because the mean of its divisors is an integer number (3327583483980).

Almost surely, 2^{51010511055061} is an apocalyptic number.

It is an amenable number.

51010511055061 is a deficient number, since it is larger than the sum of its proper divisors (2230824688619).

51010511055061 is a wasteful number, since it uses less digits than its factorization.

51010511055061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321396.

The product of its (nonzero) digits is 3750, while the sum is 31.

Adding to 51010511055061 its reverse (16055011501015), we get a palindrome (67065522556076).

The spelling of 51010511055061 in words is "fifty-one trillion, ten billion, five hundred eleven million, fifty-five thousand, sixty-one".