71610556055 has 8 divisors (see below), whose sum is σ = 86693134032. Its totient is φ = 56781467008.

The previous prime is 71610556019. The next prime is 71610556151. The reversal of 71610556055 is 55065501617.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71610556055 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63371609 + ... + 63372738.

It is an arithmetic number, because the mean of its divisors is an integer number (10836641754).

Almost surely, 2^71610556055 is an apocalyptic number.

71610556055 is a deficient number, since it is larger than the sum of its proper divisors (15082577977).

71610556055 is a wasteful number, since it uses less digits than its factorization.

71610556055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126744465.

The product of its (nonzero) digits is 157500, while the sum is 41.

The spelling of 71610556055 in words is "seventy-one billion, six hundred ten million, five hundred fifty-six thousand, fifty-five".