113225155 has 8 divisors (see below), whose sum is σ = 136373184. Its totient is φ = 90244800.

The previous prime is 113225131. The next prime is 113225183. The reversal of 113225155 is 551522311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 113225155 - 2¹¹ = 113223107 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40426 + ... + 43135.

It is an arithmetic number, because the mean of its divisors is an integer number (17046648).

Almost surely, 2^113225155 is an apocalyptic number.

113225155 is a deficient number, since it is larger than the sum of its proper divisors (23148029).

113225155 is an equidigital number, since it uses as much as digits as its factorization.

113225155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83837.

The product of its digits is 1500, while the sum is 25.

The square root of 113225155 is about 10640.7309429381. The cubic root of 113225155 is about 483.7797004736.

Adding to 113225155 its reverse (551522311), we get a palindrome (664747466).

The spelling of 113225155 in words is "one hundred thirteen million, two hundred twenty-five thousand, one hundred fifty-five".