1115655117 has 8 divisors (see below), whose sum is σ = 1527744096. Its totient is φ = 723668112.

The previous prime is 1115655113. The next prime is 1115655127. The reversal of 1115655117 is 7115565111.

1115655117 is nontrivially palindromic in base 11.

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

It is not a de Polignac number, because 1115655117 - 2² = 1115655113 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115655113) 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, 5025363 + ... + 5025584.

It is an arithmetic number, because the mean of its divisors is an integer number (190968012).

Almost surely, 2^1115655117 is an apocalyptic number.

It is an amenable number.

1115655117 is a deficient number, since it is larger than the sum of its proper divisors (412088979).

1115655117 is a wasteful number, since it uses less digits than its factorization.

1115655117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10050987.

The product of its digits is 5250, while the sum is 33.

The square root of 1115655117 is about 33401.4238768350. The cubic root of 1115655117 is about 1037.1541765498.

The spelling of 1115655117 in words is "one billion, one hundred fifteen million, six hundred fifty-five thousand, one hundred seventeen".