1116559655 has 16 divisors (see below), whose sum is σ = 1358982144. Its totient is φ = 880586400.

The previous prime is 1116559649. The next prime is 1116559657. The reversal of 1116559655 is 5569556111.

It is not a de Polignac number, because 1116559655 - 2²² = 1112365351 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 (1116559657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112130 + ... + 121680.

It is an arithmetic number, because the mean of its divisors is an integer number (84936384).

Almost surely, 2^1116559655 is an apocalyptic number.

1116559655 is a deficient number, since it is larger than the sum of its proper divisors (242422489).

1116559655 is a wasteful number, since it uses less digits than its factorization.

1116559655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9886.

The product of its digits is 202500, while the sum is 44.

The square root of 1116559655 is about 33414.9615441945. The cubic root of 1116559655 is about 1037.4343981359.

The spelling of 1116559655 in words is "one billion, one hundred sixteen million, five hundred fifty-nine thousand, six hundred fifty-five".