115224104778 has 32 divisors (see below), whose sum is σ = 246966834816. Its totient is φ = 35745196608.

The previous prime is 115224104777. The next prime is 115224104783. The reversal of 115224104778 is 877401422511.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (115224104771) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11278101 + ... + 11288312.

It is an arithmetic number, because the mean of its divisors is an integer number (7717713588).

Almost surely, 2^115224104778 is an apocalyptic number.

115224104778 is an abundant number, since it is smaller than the sum of its proper divisors (131742730038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115224104778 is a wasteful number, since it uses less digits than its factorization.

115224104778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22566478.

The product of its (nonzero) digits is 125440, while the sum is 42.

The spelling of 115224104778 in words is "one hundred fifteen billion, two hundred twenty-four million, one hundred four thousand, seven hundred seventy-eight".