71563120006278 has 16 divisors (see below), whose sum is σ = 147743215497216. Its totient is φ = 23084877421320.

The previous prime is 71563120006243. The next prime is 71563120006303. The reversal of 71563120006278 is 87260002136517.

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, 192373978326 + ... + 192373978697.

It is an arithmetic number, because the mean of its divisors is an integer number (9233950968576).

Almost surely, 2^{71563120006278} is an apocalyptic number.

71563120006278 is an abundant number, since it is smaller than the sum of its proper divisors (76180095490938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71563120006278 is a wasteful number, since it uses less digits than its factorization.

71563120006278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384747957059.

The product of its (nonzero) digits is 846720, while the sum is 48.

The spelling of 71563120006278 in words is "seventy-one trillion, five hundred sixty-three billion, one hundred twenty million, six thousand, two hundred seventy-eight".