1155122110216 has 64 divisors (see below), whose sum is σ = 2287349280000. Its totient is φ = 546099966720.

The previous prime is 1155122110213. The next prime is 1155122110253. The reversal of 1155122110216 is 6120112215511.

It is not an unprimeable number, because it can be changed into a prime (1155122110213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2219005 + ... + 2689651.

It is an arithmetic number, because the mean of its divisors is an integer number (35739832500).

Almost surely, 2^{1155122110216} is an apocalyptic number.

It is an amenable number.

1155122110216 is a deficient number, since it is larger than the sum of its proper divisors (1132227169784).

1155122110216 is a wasteful number, since it uses less digits than its factorization.

1155122110216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470902 (or 470898 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 28.

Adding to 1155122110216 its reverse (6120112215511), we get a palindrome (7275234325727).

The spelling of 1155122110216 in words is "one trillion, one hundred fifty-five billion, one hundred twenty-two million, one hundred ten thousand, two hundred sixteen".