61270543173 has 32 divisors (see below), whose sum is σ = 94786908160. Its totient is φ = 34478706240.

The previous prime is 61270543129. The next prime is 61270543211. The reversal of 61270543173 is 37134507216.

It is not a de Polignac number, because 61270543173 - 2⁶ = 61270543109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61270543673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8760708 + ... + 8767698.

It is an arithmetic number, because the mean of its divisors is an integer number (2962090880).

Almost surely, 2^61270543173 is an apocalyptic number.

It is an amenable number.

61270543173 is a deficient number, since it is larger than the sum of its proper divisors (33516364987).

61270543173 is a wasteful number, since it uses less digits than its factorization.

61270543173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13297.

The product of its (nonzero) digits is 105840, while the sum is 39.

The spelling of 61270543173 in words is "sixty-one billion, two hundred seventy million, five hundred forty-three thousand, one hundred seventy-three".