115222124243 has 4 divisors (see below), whose sum is σ = 115225100640. Its totient is φ = 115219147848.

The previous prime is 115222124191. The next prime is 115222124257. The reversal of 115222124243 is 342421222511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115222124243 is a prime.

It is a super-2 number, since 2×115222124243² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115222121243) 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, 1429355 + ... + 1507812.

It is an arithmetic number, because the mean of its divisors is an integer number (28806275160).

Almost surely, 2^115222124243 is an apocalyptic number.

115222124243 is a deficient number, since it is larger than the sum of its proper divisors (2976397).

115222124243 is an equidigital number, since it uses as much as digits as its factorization.

115222124243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2976396.

The product of its digits is 7680, while the sum is 29.

Adding to 115222124243 its reverse (342421222511), we get a palindrome (457643346754).

The spelling of 115222124243 in words is "one hundred fifteen billion, two hundred twenty-two million, one hundred twenty-four thousand, two hundred forty-three".