7111115201 has 16 divisors (see below), whose sum is σ = 7525755600. Its totient is φ = 6709506048.

The previous prime is 7111115173. The next prime is 7111115227. The reversal of 7111115201 is 1025111117.

It can be written as a sum of positive squares in 8 ways, for example, as 147379600 + 6963735601 = 12140^2 + 83449^2 .

It is a cyclic number.

It is not a de Polignac number, because 7111115201 - 2¹⁴ = 7111098817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7111115261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 215345 + ... + 246161.

It is an arithmetic number, because the mean of its divisors is an integer number (470359725).

Almost surely, 2^7111115201 is an apocalyptic number.

It is an amenable number.

7111115201 is a deficient number, since it is larger than the sum of its proper divisors (414640399).

7111115201 is a wasteful number, since it uses less digits than its factorization.

7111115201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31028.

The product of its (nonzero) digits is 70, while the sum is 20.

The square root of 7111115201 is about 84327.4285212113. The cubic root of 7111115201 is about 1922.9997957415. Note that the first 3 decimals are identical.

Adding to 7111115201 its reverse (1025111117), we get a palindrome (8136226318).

The spelling of 7111115201 in words is "seven billion, one hundred eleven million, one hundred fifteen thousand, two hundred one".