61476555271 has 2 divisors, whose sum is σ = 61476555272. Its totient is φ = 61476555270.

The previous prime is 61476555263. The next prime is 61476555317. The reversal of 61476555271 is 17255567416.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61476555271 - 2³ = 61476555263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61476558271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30738277635 + 30738277636.

It is an arithmetic number, because the mean of its divisors is an integer number (30738277636).

Almost surely, 2^61476555271 is an apocalyptic number.

61476555271 is a deficient number, since it is larger than the sum of its proper divisors (1).

61476555271 is an equidigital number, since it uses as much as digits as its factorization.

61476555271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1764000, while the sum is 49.

The spelling of 61476555271 in words is "sixty-one billion, four hundred seventy-six million, five hundred fifty-five thousand, two hundred seventy-one".