225777101115 has 16 divisors (see below), whose sum is σ = 361368127008. Its totient is φ = 120372865536.

The previous prime is 225777101111. The next prime is 225777101117. The reversal of 225777101115 is 511101777522.

225777101115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 225777101115 - 2² = 225777101111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225777101111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2554372 + ... + 2641281.

It is an arithmetic number, because the mean of its divisors is an integer number (22585507938).

Almost surely, 2^225777101115 is an apocalyptic number.

225777101115 is a deficient number, since it is larger than the sum of its proper divisors (135591025893).

225777101115 is a wasteful number, since it uses less digits than its factorization.

225777101115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5198558.

The product of its (nonzero) digits is 34300, while the sum is 39.

Adding to 225777101115 its reverse (511101777522), we get a palindrome (736878878637).

The spelling of 225777101115 in words is "two hundred twenty-five billion, seven hundred seventy-seven million, one hundred one thousand, one hundred fifteen".