115528443245 has 4 divisors (see below), whose sum is σ = 138634131900. Its totient is φ = 92422754592.

The previous prime is 115528443223. The next prime is 115528443253. The reversal of 115528443245 is 542344825511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 542344825511 = 1249 ⋅434223239.

It can be written as a sum of positive squares in 2 ways, for example, as 26831095204 + 88697348041 = 163802^2 + 297821^2 .

It is a cyclic number.

It is not a de Polignac number, because 115528443245 - 2³⁶ = 46808966509 is a prime.

It is a super-2 number, since 2×115528443245² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 115528443196 and 115528443205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11552844320 + ... + 11552844329.

It is an arithmetic number, because the mean of its divisors is an integer number (34658532975).

Almost surely, 2^115528443245 is an apocalyptic number.

It is an amenable number.

115528443245 is a deficient number, since it is larger than the sum of its proper divisors (23105688655).

115528443245 is an equidigital number, since it uses as much as digits as its factorization.

115528443245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23105688654.

The product of its digits is 768000, while the sum is 44.

The spelling of 115528443245 in words is "one hundred fifteen billion, five hundred twenty-eight million, four hundred forty-three thousand, two hundred forty-five".