71109278092 has 12 divisors (see below), whose sum is σ = 124452300280. Its totient is φ = 35551478016.

The previous prime is 71109278057. The next prime is 71109278137. The reversal of 71109278092 is 29087290117.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 739278 + ... + 829909.

Almost surely, 2^71109278092 is an apocalyptic number.

It is an amenable number.

71109278092 is a deficient number, since it is larger than the sum of its proper divisors (53343022188).

71109278092 is a wasteful number, since it uses less digits than its factorization.

71109278092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1580520 (or 1580518 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 46.

The spelling of 71109278092 in words is "seventy-one billion, one hundred nine million, two hundred seventy-eight thousand, ninety-two".