115616357522 has 4 divisors (see below), whose sum is σ = 173424536286. Its totient is φ = 57808178760.

The previous prime is 115616357501. The next prime is 115616357567. The reversal of 115616357522 is 225753616511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 225753616511 = 4943 ⋅45671377.

It can be written as a sum of positive squares in only one way, i.e., 112432125481 + 3184232041 = 335309^2 + 56429^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28904089379 + ... + 28904089382.

Almost surely, 2^115616357522 is an apocalyptic number.

115616357522 is a deficient number, since it is larger than the sum of its proper divisors (57808178764).

115616357522 is an equidigital number, since it uses as much as digits as its factorization.

115616357522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57808178763.

The product of its digits is 378000, while the sum is 44.

The spelling of 115616357522 in words is "one hundred fifteen billion, six hundred sixteen million, three hundred fifty-seven thousand, five hundred twenty-two".