1117568155 has 8 divisors (see below), whose sum is σ = 1462998384. Its totient is φ = 812776800.

The previous prime is 1117568059. The next prime is 1117568167. The reversal of 1117568155 is 5518657111.

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

It is a de Polignac number, because none of the positive numbers 2^k-1117568155 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10159656 + ... + 10159765.

It is an arithmetic number, because the mean of its divisors is an integer number (182874798).

Almost surely, 2^1117568155 is an apocalyptic number.

1117568155 is a deficient number, since it is larger than the sum of its proper divisors (345430229).

1117568155 is a wasteful number, since it uses less digits than its factorization.

1117568155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20319437.

The product of its digits is 42000, while the sum is 40.

The square root of 1117568155 is about 33430.0486837815. The cubic root of 1117568155 is about 1037.7466482829.

It can be divided in two parts, 111756 and 8155, that added together give a palindrome (119911).

The spelling of 1117568155 in words is "one billion, one hundred seventeen million, five hundred sixty-eight thousand, one hundred fifty-five".