1156056117 has 8 divisors (see below), whose sum is σ = 1632079296. Its totient is φ = 725368512.

The previous prime is 1156056113. The next prime is 1156056119. The reversal of 1156056117 is 7116506511.

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

It is not a de Polignac number, because 1156056117 - 2² = 1156056113 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1156056113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11333833 + ... + 11333934.

It is an arithmetic number, because the mean of its divisors is an integer number (204009912).

Almost surely, 2^1156056117 is an apocalyptic number.

1156056117 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1156056117 is a deficient number, since it is larger than the sum of its proper divisors (476023179).

1156056117 is a wasteful number, since it uses less digits than its factorization.

1156056117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22667787.

The product of its (nonzero) digits is 6300, while the sum is 33.

The square root of 1156056117 is about 34000.8252399850. The cubic root of 1156056117 is about 1049.5254445103.

The spelling of 1156056117 in words is "one billion, one hundred fifty-six million, fifty-six thousand, one hundred seventeen".