51035355528561 has 12 divisors (see below), whose sum is σ = 73718299645380. Its totient is φ = 34023310099200.

The previous prime is 51035355528559. The next prime is 51035355528587. The reversal of 51035355528561 is 16582555353015.

51035355528561 is a `hidden beast` number, since 5 + 1 + 0 + 3 + 5 + 3 + 5 + 55 + 28 + 561 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 48134192770161 + 2901162758400 = 6937881^2 + 1703280^2 .

It is not a de Polignac number, because 51035355528561 - 2¹ = 51035355528559 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51035355528498 and 51035355528507.

It is not an unprimeable number, because it can be changed into a prime (51035355538561) 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, 20442040 + ... + 22802361.

It is an arithmetic number, because the mean of its divisors is an integer number (6143191637115).

Almost surely, 2^{51035355528561} is an apocalyptic number.

It is an amenable number.

51035355528561 is a deficient number, since it is larger than the sum of its proper divisors (22682944116819).

51035355528561 is a wasteful number, since it uses less digits than its factorization.

51035355528561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43375536 (or 43375533 counting only the distinct ones).

The product of its (nonzero) digits is 13500000, while the sum is 54.

The spelling of 51035355528561 in words is "fifty-one trillion, thirty-five billion, three hundred fifty-five million, five hundred twenty-eight thousand, five hundred sixty-one".