115200440452445 has 4 divisors (see below), whose sum is σ = 138240528542940. Its totient is φ = 92160352361952.

The previous prime is 115200440452439. The next prime is 115200440452507. The reversal of 115200440452445 is 544254044002511.

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 90731301988804 + 24469138463641 = 9525298^2 + 4946629^2 .

It is a cyclic number.

It is not a de Polignac number, because 115200440452445 - 2¹² = 115200440448349 is a prime.

It is a super-2 number, since 2×115200440452445² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11520044045240 + ... + 11520044045249.

It is an arithmetic number, because the mean of its divisors is an integer number (34560132135735).

Almost surely, 2^{115200440452445} is an apocalyptic number.

It is an amenable number.

115200440452445 is a deficient number, since it is larger than the sum of its proper divisors (23040088090495).

115200440452445 is an equidigital number, since it uses as much as digits as its factorization.

115200440452445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23040088090494.

The product of its (nonzero) digits is 512000, while the sum is 41.

Adding to 115200440452445 its reverse (544254044002511), we get a palindrome (659454484454956).

The spelling of 115200440452445 in words is "one hundred fifteen trillion, two hundred billion, four hundred forty million, four hundred fifty-two thousand, four hundred forty-five".