7126112618 has 4 divisors (see below), whose sum is σ = 10689168930. Its totient is φ = 3563056308.

The previous prime is 7126112597. The next prime is 7126112627. The reversal of 7126112618 is 8162116217.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8162116217 = 39409 ⋅207113.

It can be written as a sum of positive squares in only one way, i.e., 4571517769 + 2554594849 = 67613^2 + 50543^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1781528153 + ... + 1781528156.

Almost surely, 2^7126112618 is an apocalyptic number.

7126112618 is a deficient number, since it is larger than the sum of its proper divisors (3563056312).

7126112618 is a wasteful number, since it uses less digits than its factorization.

7126112618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3563056311.

The product of its digits is 8064, while the sum is 35.

The square root of 7126112618 is about 84416.3054036363. The cubic root of 7126112618 is about 1924.3507221008.

The spelling of 7126112618 in words is "seven billion, one hundred twenty-six million, one hundred twelve thousand, six hundred eighteen".