115511007 has 16 divisors (see below), whose sum is σ = 157754880. Its totient is φ = 75147072.

The previous prime is 115510957. The next prime is 115511041. The reversal of 115511007 is 700115511.

It is a happy number.

It is not a de Polignac number, because 115511007 - 2⁸ = 115510751 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115511047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56668 + ... + 58670.

It is an arithmetic number, because the mean of its divisors is an integer number (9859680).

Almost surely, 2^115511007 is an apocalyptic number.

115511007 is a deficient number, since it is larger than the sum of its proper divisors (42243873).

115511007 is a wasteful number, since it uses less digits than its factorization.

115511007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2462.

The product of its (nonzero) digits is 175, while the sum is 21.

The square root of 115511007 is about 10747.6047098877. The cubic root of 115511007 is about 487.0136382752.

Adding to 115511007 its reverse (700115511), we get a palindrome (815626518).

The spelling of 115511007 in words is "one hundred fifteen million, five hundred eleven thousand, seven".