1116051155 has 8 divisors (see below), whose sum is σ = 1348897200. Its totient is φ = 886417056.

The previous prime is 1116051151. The next prime is 1116051161. The reversal of 1116051155 is 5511506111.

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 1116051155 - 2² = 1116051151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1116051151) 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, 802220 + ... + 803609.

It is an arithmetic number, because the mean of its divisors is an integer number (168612150).

Almost surely, 2^1116051155 is an apocalyptic number.

1116051155 is a deficient number, since it is larger than the sum of its proper divisors (232846045).

1116051155 is a wasteful number, since it uses less digits than its factorization.

1116051155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1605973.

The product of its (nonzero) digits is 750, while the sum is 26.

The square root of 1116051155 is about 33407.3518106419. The cubic root of 1116051155 is about 1037.2768858787.

Adding to 1116051155 its reverse (5511506111), we get a palindrome (6627557266).

The spelling of 1116051155 in words is "one billion, one hundred sixteen million, fifty-one thousand, one hundred fifty-five".