7115883149 has 4 divisors (see below), whose sum is σ = 7361258460. Its totient is φ = 6870507840.

The previous prime is 7115883119. The next prime is 7115883169. The reversal of 7115883149 is 9413885117.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2543689225 + 4572193924 = 50435^2 + 67618^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7115883149 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7115883119) 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, 122687612 + ... + 122687669.

It is an arithmetic number, because the mean of its divisors is an integer number (1840314615).

Almost surely, 2^7115883149 is an apocalyptic number.

It is an amenable number.

7115883149 is a deficient number, since it is larger than the sum of its proper divisors (245375311).

7115883149 is a wasteful number, since it uses less digits than its factorization.

7115883149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245375310.

The product of its digits is 241920, while the sum is 47.

The square root of 7115883149 is about 84355.6942298503. The cubic root of 7115883149 is about 1923.4294852412.

The spelling of 7115883149 in words is "seven billion, one hundred fifteen million, eight hundred eighty-three thousand, one hundred forty-nine".