115375720227 has 4 divisors (see below), whose sum is σ = 153834293640. Its totient is φ = 76917146816.

The previous prime is 115375720217. The next prime is 115375720231. The reversal of 115375720227 is 722027573511.

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

It is a cyclic number.

It is not a de Polignac number, because 115375720227 - 2⁸ = 115375719971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115375720217) 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, 19229286702 + ... + 19229286707.

It is an arithmetic number, because the mean of its divisors is an integer number (38458573410).

Almost surely, 2^115375720227 is an apocalyptic number.

115375720227 is a deficient number, since it is larger than the sum of its proper divisors (38458573413).

115375720227 is an equidigital number, since it uses as much as digits as its factorization.

115375720227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38458573412.

The product of its (nonzero) digits is 205800, while the sum is 42.

The spelling of 115375720227 in words is "one hundred fifteen billion, three hundred seventy-five million, seven hundred twenty thousand, two hundred twenty-seven".