1156151117 has 8 divisors (see below), whose sum is σ = 1281932832. Its totient is φ = 1033815600.

The previous prime is 1156151053. The next prime is 1156151123. The reversal of 1156151117 is 7111516511.

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 1156151117 - 2⁶ = 1156151053 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1156151117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1156150117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 860843 + ... + 862184.

It is an arithmetic number, because the mean of its divisors is an integer number (160241604).

Almost surely, 2^1156151117 is an apocalyptic number.

It is an amenable number.

1156151117 is a deficient number, since it is larger than the sum of its proper divisors (125781715).

1156151117 is a wasteful number, since it uses less digits than its factorization.

1156151117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1723099.

The product of its digits is 1050, while the sum is 29.

The square root of 1156151117 is about 34002.2222362010. Note that the first 4 decimals coincide. The cubic root of 1156151117 is about 1049.5541923034.

Adding to 1156151117 its reverse (7111516511), we get a palindrome (8267667628).

The spelling of 1156151117 in words is "one billion, one hundred fifty-six million, one hundred fifty-one thousand, one hundred seventeen".