5178804150061 has 2 divisors, whose sum is σ = 5178804150062. Its totient is φ = 5178804150060.

The previous prime is 5178804149999. The next prime is 5178804150071. The reversal of 5178804150061 is 1600514088715.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4980261722500 + 198542427561 = 2231650^2 + 445581^2 .

It is a cyclic number.

It is not a de Polignac number, because 5178804150061 - 2⁹ = 5178804149549 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5178804149993 and 5178804150020.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5178804150071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2589402075030 + 2589402075031.

It is an arithmetic number, because the mean of its divisors is an integer number (2589402075031).

Almost surely, 2^{5178804150061} is an apocalyptic number.

It is an amenable number.

5178804150061 is a deficient number, since it is larger than the sum of its proper divisors (1).

5178804150061 is an equidigital number, since it uses as much as digits as its factorization.

5178804150061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 268800, while the sum is 46.

The spelling of 5178804150061 in words is "five trillion, one hundred seventy-eight billion, eight hundred four million, one hundred fifty thousand, sixty-one".