1122321155555 has 8 divisors (see below), whose sum is σ = 1347453115872. Its totient is φ = 897411771648.

The previous prime is 1122321155521. The next prime is 1122321155617. The reversal of 1122321155555 is 5555511232211.

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 1122321155555 - 2³⁸ = 847443248611 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, 55633007 + ... + 55653176.

It is an arithmetic number, because the mean of its divisors is an integer number (168431639484).

Almost surely, 2^{1122321155555} is an apocalyptic number.

1122321155555 is a deficient number, since it is larger than the sum of its proper divisors (225131960317).

1122321155555 is a wasteful number, since it uses less digits than its factorization.

1122321155555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111288205.

The product of its digits is 75000, while the sum is 38.

Adding to 1122321155555 its reverse (5555511232211), we get a palindrome (6677832387766).

The spelling of 1122321155555 in words is "one trillion, one hundred twenty-two billion, three hundred twenty-one million, one hundred fifty-five thousand, five hundred fifty-five".