51051056061055 has 16 divisors (see below), whose sum is σ = 62694671935104. Its totient is φ = 39885506105760.

The previous prime is 51051056061041. The next prime is 51051056061079. The reversal of 51051056061055 is 55016065015015.

It is a de Polignac number, because none of the positive numbers 2^k-51051056061055 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51051056060999 and 51051056061017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14973981 + ... + 18064390.

It is an arithmetic number, because the mean of its divisors is an integer number (3918416995944).

Almost surely, 2^{51051056061055} is an apocalyptic number.

51051056061055 is a deficient number, since it is larger than the sum of its proper divisors (11643615874049).

51051056061055 is a wasteful number, since it uses less digits than its factorization.

51051056061055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33045606.

The product of its (nonzero) digits is 112500, while the sum is 40.

The spelling of 51051056061055 in words is "fifty-one trillion, fifty-one billion, fifty-six million, sixty-one thousand, fifty-five".