115216562 has 4 divisors (see below), whose sum is σ = 172824846. Its totient is φ = 57608280.

The previous prime is 115216529. The next prime is 115216567. The reversal of 115216562 is 265612511.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 265612511 = 1723 ⋅154157.

It can be written as a sum of positive squares in only one way, i.e., 101828281 + 13388281 = 10091^2 + 3659^2 .

It is not an unprimeable number, because it can be changed into a prime (115216567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28804139 + ... + 28804142.

Almost surely, 2^115216562 is an apocalyptic number.

115216562 is a deficient number, since it is larger than the sum of its proper divisors (57608284).

115216562 is an equidigital number, since it uses as much as digits as its factorization.

115216562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57608283.

The product of its digits is 3600, while the sum is 29.

The square root of 115216562 is about 10733.8978008923. The cubic root of 115216562 is about 486.5994764520.

It can be divided in two parts, 1152 and 16562, that multiplied together give a square (19079424 = 4368²).

The spelling of 115216562 in words is "one hundred fifteen million, two hundred sixteen thousand, five hundred sixty-two".