7111478078 has 16 divisors (see below), whose sum is σ = 11055275280. Its totient is φ = 3426835776.

The previous prime is 7111478057. The next prime is 7111478083. The reversal of 7111478078 is 8708741117.

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, 80351 + ... + 143802.

It is an arithmetic number, because the mean of its divisors is an integer number (690954705).

Almost surely, 2^7111478078 is an apocalyptic number.

7111478078 is a deficient number, since it is larger than the sum of its proper divisors (3943797202).

7111478078 is a wasteful number, since it uses less digits than its factorization.

7111478078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224731.

The product of its (nonzero) digits is 87808, while the sum is 44.

The square root of 7111478078 is about 84329.5800890767. The cubic root of 7111478078 is about 1923.0325051224.

The spelling of 7111478078 in words is "seven billion, one hundred eleven million, four hundred seventy-eight thousand, seventy-eight".