7111849387 has 4 divisors (see below), whose sum is σ = 7116557616. Its totient is φ = 7107141160.

The previous prime is 7111849369. The next prime is 7111849427. The reversal of 7111849387 is 7839481117.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7111849387 - 2⁷ = 7111849259 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7111849387.

It is not an unprimeable number, because it can be changed into a prime (7111849487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2351848 + ... + 2354869.

It is an arithmetic number, because the mean of its divisors is an integer number (1779139404).

Almost surely, 2^7111849387 is an apocalyptic number.

7111849387 is a deficient number, since it is larger than the sum of its proper divisors (4708229).

7111849387 is a wasteful number, since it uses less digits than its factorization.

7111849387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4708228.

The product of its digits is 338688, while the sum is 49.

The square root of 7111849387 is about 84331.7815950784. The cubic root of 7111849387 is about 1923.0659734039.

The spelling of 7111849387 in words is "seven billion, one hundred eleven million, eight hundred forty-nine thousand, three hundred eighty-seven".