115207011 has 48 divisors (see below), whose sum is σ = 185238144. Its totient is φ = 68677632.

The previous prime is 115207009. The next prime is 115207031. The reversal of 115207011 is 110702511.

It is a happy number.

It is not a de Polignac number, because 115207011 - 2¹ = 115207009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115207031) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 265851 + ... + 266283.

It is an arithmetic number, because the mean of its divisors is an integer number (3859128).

Almost surely, 2^115207011 is an apocalyptic number.

115207011 is a deficient number, since it is larger than the sum of its proper divisors (70031133).

115207011 is a wasteful number, since it uses less digits than its factorization.

115207011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540 (or 537 counting only the distinct ones).

The product of its (nonzero) digits is 70, while the sum is 18.

The square root of 115207011 is about 10733.4528927089. The cubic root of 115207011 is about 486.5860303526.

Adding to 115207011 its reverse (110702511), we get a palindrome (225909522).

The spelling of 115207011 in words is "one hundred fifteen million, two hundred seven thousand, eleven".