115211153 has 4 divisors (see below), whose sum is σ = 115945140. Its totient is φ = 114477168.

The previous prime is 115211149. The next prime is 115211167. The reversal of 115211153 is 351112511.

It is a happy number.

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 17833729 + 97377424 = 4223^2 + 9868^2 .

It is a cyclic number.

It is not a de Polignac number, because 115211153 - 2² = 115211149 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115211143) 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, 366758 + ... + 367071.

It is an arithmetic number, because the mean of its divisors is an integer number (28986285).

Almost surely, 2^115211153 is an apocalyptic number.

It is an amenable number.

115211153 is a deficient number, since it is larger than the sum of its proper divisors (733987).

115211153 is an equidigital number, since it uses as much as digits as its factorization.

115211153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733986.

The product of its digits is 150, while the sum is 20.

The square root of 115211153 is about 10733.6458391359. The cubic root of 115211153 is about 486.5918616389.

Adding to 115211153 its reverse (351112511), we get a palindrome (466323664).

The spelling of 115211153 in words is "one hundred fifteen million, two hundred eleven thousand, one hundred fifty-three".