115211465 has 8 divisors (see below), whose sum is σ = 146386440. Its totient is φ = 86747392.

The previous prime is 115211449. The next prime is 115211477. The reversal of 115211465 is 564112511.

It can be written as a sum of positive squares in 4 ways, for example, as 6822544 + 108388921 = 2612^2 + 10411^2 .

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 115211465 - 2⁴ = 115211449 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 677630 + ... + 677799.

It is an arithmetic number, because the mean of its divisors is an integer number (18298305).

Almost surely, 2^115211465 is an apocalyptic number.

It is an amenable number.

115211465 is a deficient number, since it is larger than the sum of its proper divisors (31174975).

115211465 is a wasteful number, since it uses less digits than its factorization.

115211465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1355451.

The product of its digits is 1200, while the sum is 26.

The square root of 115211465 is about 10733.6603728644. The cubic root of 115211465 is about 486.5923008803.

Adding to 115211465 its reverse (564112511), we get a palindrome (679323976).

The spelling of 115211465 in words is "one hundred fifteen million, two hundred eleven thousand, four hundred sixty-five".