113663555 has 8 divisors (see below), whose sum is σ = 138265152. Its totient is φ = 89684928.

The previous prime is 113663551. The next prime is 113663569. The reversal of 113663555 is 555366311.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 113663555 - 2² = 113663551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113663551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155339 + ... + 156068.

It is an arithmetic number, because the mean of its divisors is an integer number (17283144).

Almost surely, 2^113663555 is an apocalyptic number.

113663555 is a deficient number, since it is larger than the sum of its proper divisors (24601597).

113663555 is an equidigital number, since it uses as much as digits as its factorization.

113663555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311485.

The product of its digits is 40500, while the sum is 35.

The square root of 113663555 is about 10661.3111295000. The cubic root of 113663555 is about 484.4032835652.

The spelling of 113663555 in words is "one hundred thirteen million, six hundred sixty-three thousand, five hundred fifty-five".