115523011 has 8 divisors (see below), whose sum is σ = 117295920. Its totient is φ = 113755392.

The previous prime is 115522993. The next prime is 115523017. The reversal of 115523011 is 110325511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 115523011 - 2¹¹ = 115520963 is a prime.

It is a super-2 number, since 2×115523011² = 26691132141012242, which contains 22 as substring.

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 115523011.

It is not an unprimeable number, because it can be changed into a prime (115523017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73611 + ... + 75163.

It is an arithmetic number, because the mean of its divisors is an integer number (14661990).

Almost surely, 2^115523011 is an apocalyptic number.

115523011 is a deficient number, since it is larger than the sum of its proper divisors (1772909).

115523011 is a wasteful number, since it uses less digits than its factorization.

115523011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2645.

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 115523011 is about 10748.1631453937. The cubic root of 115523011 is about 487.0305079784.

Adding to 115523011 its reverse (110325511), we get a palindrome (225848522).

The spelling of 115523011 in words is "one hundred fifteen million, five hundred twenty-three thousand, eleven".