115244242220453 has 4 divisors (see below), whose sum is σ = 115244285165388. Its totient is φ = 115244199275520.

The previous prime is 115244242220377. The next prime is 115244242220537. The reversal of 115244242220453 is 354022242442511.

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 83602458459844 + 31641783760609 = 9143438^2 + 5625103^2 .

It is a cyclic number.

It is not a de Polignac number, because 115244242220453 - 2¹² = 115244242216357 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 115244242220453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115244242240453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17158226 + ... + 22910547.

It is an arithmetic number, because the mean of its divisors is an integer number (28811071291347).

Almost surely, 2^{115244242220453} is an apocalyptic number.

It is an amenable number.

115244242220453 is a deficient number, since it is larger than the sum of its proper divisors (42944935).

115244242220453 is an equidigital number, since it uses as much as digits as its factorization.

115244242220453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42944934.

The product of its (nonzero) digits is 614400, while the sum is 41.

Adding to 115244242220453 its reverse (354022242442511), we get a palindrome (469266484662964).

The spelling of 115244242220453 in words is "one hundred fifteen trillion, two hundred forty-four billion, two hundred forty-two million, two hundred twenty thousand, four hundred fifty-three".