113311615 has 8 divisors (see below), whose sum is σ = 138539808. Its totient is φ = 88938720.

The previous prime is 113311571. The next prime is 113311619. The reversal of 113311615 is 516113311.

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

It is not a de Polignac number, because 113311615 - 2¹⁹ = 112787327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113311619) 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 7 ways as a sum of consecutive naturals, for example, 213531 + ... + 214060.

It is an arithmetic number, because the mean of its divisors is an integer number (17317476).

Almost surely, 2^113311615 is an apocalyptic number.

113311615 is a deficient number, since it is larger than the sum of its proper divisors (25228193).

113311615 is an equidigital number, since it uses as much as digits as its factorization.

113311615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427649.

The product of its digits is 270, while the sum is 22.

The square root of 113311615 is about 10644.7928584825. The cubic root of 113311615 is about 483.9028090141.

Adding to 113311615 its reverse (516113311), we get a palindrome (629424926).

The spelling of 113311615 in words is "one hundred thirteen million, three hundred eleven thousand, six hundred fifteen".