61078836803 has 2 divisors, whose sum is σ = 61078836804. Its totient is φ = 61078836802.

The previous prime is 61078836787. The next prime is 61078836811. The reversal of 61078836803 is 30863887016.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61078836803 - 2⁴ = 61078836787 is a prime.

It is a super-3 number, since 3×61078836803³ (a number of 33 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (61078836103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30539418401 + 30539418402.

It is an arithmetic number, because the mean of its divisors is an integer number (30539418402).

Almost surely, 2^61078836803 is an apocalyptic number.

61078836803 is a deficient number, since it is larger than the sum of its proper divisors (1).

61078836803 is an equidigital number, since it uses as much as digits as its factorization.

61078836803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1161216, while the sum is 50.

The spelling of 61078836803 in words is "sixty-one billion, seventy-eight million, eight hundred thirty-six thousand, eight hundred three".