1156230223211 has 8 divisors (see below), whose sum is σ = 1337326523904. Its totient is φ = 979114061160.

The previous prime is 1156230223207. The next prime is 1156230223297. The reversal of 1156230223211 is 1123220326511.

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 1156230223211 - 2² = 1156230223207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1156230226211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 995034035 + ... + 995035196.

It is an arithmetic number, because the mean of its divisors is an integer number (167165815488).

Almost surely, 2^{1156230223211} is an apocalyptic number.

1156230223211 is a deficient number, since it is larger than the sum of its proper divisors (181096300693).

1156230223211 is an equidigital number, since it uses as much as digits as its factorization.

1156230223211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1990069321.

The product of its (nonzero) digits is 4320, while the sum is 29.

Adding to 1156230223211 its reverse (1123220326511), we get a palindrome (2279450549722).

The spelling of 1156230223211 in words is "one trillion, one hundred fifty-six billion, two hundred thirty million, two hundred twenty-three thousand, two hundred eleven".